5 files changed, 473 insertions, 238 deletions
diff --git a/python/Pipfile b/python/Pipfile
index b04bb91a..e092d6b8 100644
--- a/python/Pipfile
+++ b/python/Pipfile
@@ -33,6 +33,8 @@ sickle = "*"
 python-snappy = "*"
 pymacaroons = "*"
 ftfy= "*"
+citeproc-py = "*"
+citeproc-py-styles = "*"
 
 [requires]
 # Python 3.5 is the bundled (system) version of python for Ubuntu 16.04
diff --git a/python/Pipfile.lock b/python/Pipfile.lock
index f2d39a99..9625675f 100644
--- a/python/Pipfile.lock
+++ b/python/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "8f98bb3f6a3083c8b03cb68d1ee48b25449a950dd8a9d15189f2eb4fae48f760"
+            "sha256": "a3b122d1d415416d29e66ef74780be92b32699bf5ceac7b36d988e0cc66df025"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -38,47 +38,43 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.3.9"
         },
         "cffi": {
             "hashes": [
-                "sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
-                "sha256:1553d1e99f035ace1c0544050622b7bc963374a00c467edafac50ad7bd276aef",
-                "sha256:1b0493c091a1898f1136e3f4f991a784437fac3673780ff9de3bcf46c80b6b50",
-                "sha256:2ba8a45822b7aee805ab49abfe7eec16b90587f7f26df20c71dd89e45a97076f",
-                "sha256:3bb6bd7266598f318063e584378b8e27c67de998a43362e8fce664c54ee52d30",
-                "sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
-                "sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
-                "sha256:495c5c2d43bf6cebe0178eb3e88f9c4aa48d8934aa6e3cddb865c058da76756b",
-                "sha256:4c91af6e967c2015729d3e69c2e51d92f9898c330d6a851bf8f121236f3defd3",
-                "sha256:57b2533356cb2d8fac1555815929f7f5f14d68ac77b085d2326b571310f34f6e",
-                "sha256:770f3782b31f50b68627e22f91cb182c48c47c02eb405fd689472aa7b7aa16dc",
-                "sha256:79f9b6f7c46ae1f8ded75f68cf8ad50e5729ed4d590c74840471fc2823457d04",
-                "sha256:7a33145e04d44ce95bcd71e522b478d282ad0eafaf34fe1ec5bbd73e662f22b6",
-                "sha256:857959354ae3a6fa3da6651b966d13b0a8bed6bbc87a0de7b38a549db1d2a359",
-                "sha256:87f37fe5130574ff76c17cab61e7d2538a16f843bb7bca8ebbc4b12de3078596",
-                "sha256:95d5251e4b5ca00061f9d9f3d6fe537247e145a8524ae9fd30a2f8fbce993b5b",
-                "sha256:9d1d3e63a4afdc29bd76ce6aa9d58c771cd1599fbba8cf5057e7860b203710dd",
-                "sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
-                "sha256:a6a5cb8809091ec9ac03edde9304b3ad82ad4466333432b16d78ef40e0cce0d5",
-                "sha256:ae5e35a2c189d397b91034642cb0eab0e346f776ec2eb44a49a459e6615d6e2e",
-                "sha256:b0f7d4a3df8f06cf49f9f121bead236e328074de6449866515cea4907bbc63d6",
-                "sha256:b75110fb114fa366b29a027d0c9be3709579602ae111ff61674d28c93606acca",
-                "sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
-                "sha256:be2a9b390f77fd7676d80bc3cdc4f8edb940d8c198ed2d8c0be1319018c778e1",
-                "sha256:ca1bd81f40adc59011f58159e4aa6445fc585a32bb8ac9badf7a2c1aa23822f2",
-                "sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
-                "sha256:e55e22ac0a30023426564b1059b035973ec82186ddddbac867078435801c7801",
-                "sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4",
-                "sha256:ecbb7b01409e9b782df5ded849c178a0aa7c906cf8c5a67368047daab282b184",
-                "sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
-                "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
-                "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb"
-            ],
-            "version": "==1.11.5"
+                "sha256:00b97afa72c233495560a0793cdc86c2571721b4271c0667addc83c417f3d90f",
+                "sha256:0ba1b0c90f2124459f6966a10c03794082a2f3985cd699d7d63c4a8dae113e11",
+                "sha256:0bffb69da295a4fc3349f2ec7cbe16b8ba057b0a593a92cbe8396e535244ee9d",
+                "sha256:21469a2b1082088d11ccd79dd84157ba42d940064abbfa59cf5f024c19cf4891",
+                "sha256:2e4812f7fa984bf1ab253a40f1f4391b604f7fc424a3e21f7de542a7f8f7aedf",
+                "sha256:2eac2cdd07b9049dd4e68449b90d3ef1adc7c759463af5beb53a84f1db62e36c",
+                "sha256:2f9089979d7456c74d21303c7851f158833d48fb265876923edcb2d0194104ed",
+                "sha256:3dd13feff00bddb0bd2d650cdb7338f815c1789a91a6f68fdc00e5c5ed40329b",
+                "sha256:4065c32b52f4b142f417af6f33a5024edc1336aa845b9d5a8d86071f6fcaac5a",
+                "sha256:51a4ba1256e9003a3acf508e3b4f4661bebd015b8180cc31849da222426ef585",
+                "sha256:59888faac06403767c0cf8cfb3f4a777b2939b1fbd9f729299b5384f097f05ea",
+                "sha256:59c87886640574d8b14910840327f5cd15954e26ed0bbd4e7cef95fa5aef218f",
+                "sha256:610fc7d6db6c56a244c2701575f6851461753c60f73f2de89c79bbf1cc807f33",
+                "sha256:70aeadeecb281ea901bf4230c6222af0248c41044d6f57401a614ea59d96d145",
+                "sha256:71e1296d5e66c59cd2c0f2d72dc476d42afe02aeddc833d8e05630a0551dad7a",
+                "sha256:8fc7a49b440ea752cfdf1d51a586fd08d395ff7a5d555dc69e84b1939f7ddee3",
+                "sha256:9b5c2afd2d6e3771d516045a6cfa11a8da9a60e3d128746a7fe9ab36dfe7221f",
+                "sha256:9c759051ebcb244d9d55ee791259ddd158188d15adee3c152502d3b69005e6bd",
+                "sha256:b4d1011fec5ec12aa7cc10c05a2f2f12dfa0adfe958e56ae38dc140614035804",
+                "sha256:b4f1d6332339ecc61275bebd1f7b674098a66fea11a00c84d1c58851e618dc0d",
+                "sha256:c030cda3dc8e62b814831faa4eb93dd9a46498af8cd1d5c178c2de856972fd92",
+                "sha256:c2e1f2012e56d61390c0e668c20c4fb0ae667c44d6f6a2eeea5d7148dcd3df9f",
+                "sha256:c37c77d6562074452120fc6c02ad86ec928f5710fbc435a181d69334b4de1d84",
+                "sha256:c8149780c60f8fd02752d0429246088c6c04e234b895c4a42e1ea9b4de8d27fb",
+                "sha256:cbeeef1dc3c4299bd746b774f019de9e4672f7cc666c777cd5b409f0b746dac7",
+                "sha256:e113878a446c6228669144ae8a56e268c91b7f1fafae927adc4879d9849e0ea7",
+                "sha256:e21162bf941b85c0cda08224dade5def9360f53b09f9f259adb85fc7dd0e7b35",
+                "sha256:fb6934ef4744becbda3143d30c6604718871495a5e36c408431bf33d9c146889"
+            ],
+            "version": "==1.12.2"
         },
         "chardet": {
             "hashes": [
@@ -87,6 +83,22 @@
             ],
             "version": "==3.0.4"
         },
+        "citeproc-py": {
+            "hashes": [
+                "sha256:ed513dbc76f782b5e98126d6bebbd1284841fcf199ec9dda552e2bce864adadf",
+                "sha256:ee1569e8b1f2c057c7893bbb067986bc362a6c861009d310700a12a1a0107b57"
+            ],
+            "index": "pypi",
+            "version": "==0.4.0"
+        },
+        "citeproc-py-styles": {
+            "hashes": [
+                "sha256:3856920968f1c5873bff2e85e4753131797f27a034c59f2b2e8dd625f1732a69",
+                "sha256:9c1c8c8eba0f45435f20ee9818019d5ce48707dc309bf72848aab3c98266dd2a"
+            ],
+            "index": "pypi",
+            "version": "==0.1.1"
+        },
         "click": {
             "hashes": [
                 "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
@@ -96,27 +108,27 @@
         },
         "cryptography": {
             "hashes": [
-                "sha256:05b3ded5e88747d28ee3ef493f2b92cbb947c1e45cf98cfef22e6d38bb67d4af",
-                "sha256:06826e7f72d1770e186e9c90e76b4f84d90cdb917b47ff88d8dc59a7b10e2b1e",
-                "sha256:08b753df3672b7066e74376f42ce8fc4683e4fd1358d34c80f502e939ee944d2",
-                "sha256:2cd29bd1911782baaee890544c653bb03ec7d95ebeb144d714b0f5c33deb55c7",
-                "sha256:31e5637e9036d966824edaa91bf0aa39dc6f525a1c599f39fd5c50340264e079",
-                "sha256:42fad67d7072216a49e34f923d8cbda9edacbf6633b19a79655e88a1b4857063",
-                "sha256:4946b67235b9d2ea7d31307be9d5ad5959d6c4a8f98f900157b47abddf698401",
-                "sha256:522fdb2809603ee97a4d0ef2f8d617bc791eb483313ba307cb9c0a773e5e5695",
-                "sha256:6f841c7272645dd7c65b07b7108adfa8af0aaea57f27b7f59e01d41f75444c85",
-                "sha256:7d335e35306af5b9bc0560ca39f740dfc8def72749645e193dd35be11fb323b3",
-                "sha256:8504661ffe324837f5c4607347eeee4cf0fcad689163c6e9c8d3b18cf1f4a4ad",
-                "sha256:9260b201ce584d7825d900c88700aa0bd6b40d4ebac7b213857bd2babee9dbca",
-                "sha256:9a30384cc402eac099210ab9b8801b2ae21e591831253883decdb4513b77a3cd",
-                "sha256:9e29af877c29338f0cab5f049ccc8bd3ead289a557f144376c4fbc7d1b98914f",
-                "sha256:ab50da871bc109b2d9389259aac269dd1b7c7413ee02d06fe4e486ed26882159",
-                "sha256:b13c80b877e73bcb6f012813c6f4a9334fcf4b0e96681c5a15dac578f2eedfa0",
-                "sha256:bfe66b577a7118e05b04141f0f1ed0959552d45672aa7ecb3d91e319d846001e",
-                "sha256:e091bd424567efa4b9d94287a952597c05d22155a13716bf5f9f746b9dc906d3",
-                "sha256:fa2b38c8519c5a3aa6e2b4e1cf1a549b54acda6adb25397ff542068e73d1ed00"
-            ],
-            "version": "==2.5"
+                "sha256:066f815f1fe46020877c5983a7e747ae140f517f1b09030ec098503575265ce1",
+                "sha256:210210d9df0afba9e000636e97810117dc55b7157c903a55716bb73e3ae07705",
+                "sha256:26c821cbeb683facb966045e2064303029d572a87ee69ca5a1bf54bf55f93ca6",
+                "sha256:2afb83308dc5c5255149ff7d3fb9964f7c9ee3d59b603ec18ccf5b0a8852e2b1",
+                "sha256:2db34e5c45988f36f7a08a7ab2b69638994a8923853dec2d4af121f689c66dc8",
+                "sha256:409c4653e0f719fa78febcb71ac417076ae5e20160aec7270c91d009837b9151",
+                "sha256:45a4f4cf4f4e6a55c8128f8b76b4c057027b27d4c67e3fe157fa02f27e37830d",
+                "sha256:48eab46ef38faf1031e58dfcc9c3e71756a1108f4c9c966150b605d4a1a7f659",
+                "sha256:6b9e0ae298ab20d371fc26e2129fd683cfc0cfde4d157c6341722de645146537",
+                "sha256:6c4778afe50f413707f604828c1ad1ff81fadf6c110cb669579dea7e2e98a75e",
+                "sha256:8c33fb99025d353c9520141f8bc989c2134a1f76bac6369cea060812f5b5c2bb",
+                "sha256:9873a1760a274b620a135054b756f9f218fa61ca030e42df31b409f0fb738b6c",
+                "sha256:9b069768c627f3f5623b1cbd3248c5e7e92aec62f4c98827059eed7053138cc9",
+                "sha256:9e4ce27a507e4886efbd3c32d120db5089b906979a4debf1d5939ec01b9dd6c5",
+                "sha256:acb424eaca214cb08735f1a744eceb97d014de6530c1ea23beb86d9c6f13c2ad",
+                "sha256:c8181c7d77388fe26ab8418bb088b1a1ef5fde058c6926790c8a0a3d94075a4a",
+                "sha256:d4afbb0840f489b60f5a580a41a1b9c3622e08ecb5eec8614d4fb4cd914c4460",
+                "sha256:d9ed28030797c00f4bc43c86bf819266c76a5ea61d006cd4078a93ebf7da6bfd",
+                "sha256:e603aa7bb52e4e8ed4119a58a03b60323918467ef209e6ff9db3ac382e5cf2c6"
+            ],
+            "version": "==2.6.1"
         },
         "fatcat-client": {
             "editable": true,
@@ -198,67 +210,67 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:0dd6589fa75d369ba06d2b5f38dae107f76ea127f212f6a7bee134f6df2d1d21",
-                "sha256:1afbac344aa68c29e81ab56c1a9411c3663157b5aee5065b7fa030b398d4f7e0",
-                "sha256:1baad9d073692421ad5dbbd81430aba6c7f5fdc347f03537ae046ddf2c9b2297",
-                "sha256:1d8736421a2358becd3edf20260e41a06a0bf08a560480d3a5734a6bcbacf591",
-                "sha256:1e1d9bddc5afaddf0de76246d3f2152f961697ad7439c559f179002682c45801",
-                "sha256:1f179dc8b2643715f020f4d119d5529b02cd794c1c8f305868b73b8674d2a03f",
-                "sha256:241fb7bdf97cb1df1edfa8f0bcdfd80525d4023dac4523a241907c8b2f44e541",
-                "sha256:2f9765ee5acd3dbdcdc0d0c79309e01f7c16bc8d39b49250bf88de7b46daaf58",
-                "sha256:312e1e1b1c3ce0c67e0b8105317323e12807955e8186872affb667dbd67971f6",
-                "sha256:3273db1a8055ca70257fd3691c6d2c216544e1a70b673543e15cc077d8e9c730",
-                "sha256:34dfaa8c02891f9a246b17a732ca3e99c5e42802416628e740a5d1cb2f50ff49",
-                "sha256:3aa3f5288af349a0f3a96448ebf2e57e17332d99f4f30b02093b7948bd9f94cc",
-                "sha256:51102e160b9d83c1cc435162d90b8e3c8c93b28d18d87b60c56522d332d26879",
-                "sha256:56115fc2e2a4140e8994eb9585119a1ae9223b506826089a3ba753a62bd194a6",
-                "sha256:69d83de14dbe8fe51dccfd36f88bf0b40f5debeac763edf9f8325180190eba6e",
-                "sha256:99fdce94aeaa3ccbdfcb1e23b34273605c5853aa92ec23d84c84765178662c6c",
-                "sha256:a7c0cd5b8a20f3093ee4a67374ccb3b8a126743b15a4d759e2a1bf098faac2b2",
-                "sha256:abe12886554634ed95416a46701a917784cb2b4c77bfacac6916681d49bbf83d",
-                "sha256:b4f67b5183bd5f9bafaeb76ad119e977ba570d2b0e61202f534ac9b5c33b4485",
-                "sha256:bdd7c1658475cc1b867b36d5c4ed4bc316be8d3368abe03d348ba906a1f83b0e",
-                "sha256:c6f24149a19f611a415a51b9bc5f17b6c2f698e0d6b41ffb3fa9f24d35d05d73",
-                "sha256:d1e111b3ab98613115a208c1017f266478b0ab224a67bc8eac670fa0bad7d488",
-                "sha256:d6520aa965773bbab6cb7a791d5895b00d02cf9adc93ac2bf4edb9ac1a6addc5",
-                "sha256:dd185cde2ccad7b649593b0cda72021bc8a91667417001dbaf24cd746ecb7c11",
-                "sha256:de2e5b0828a9d285f909b5d2e9d43f1cf6cf21fe65bc7660bdaa1780c7b58298",
-                "sha256:f726444b8e909c4f41b4fde416e1071cf28fa84634bfb4befdf400933b6463af"
+                "sha256:0358b9e9642bc7d39aac5cffe9884a99a5ca68e5e2c1b89e570ed60da9139908",
+                "sha256:091a359c4dafebbecd3959d9013f1b896b5371859165e4e50b01607a98d9e3e2",
+                "sha256:1998e4e60603c64bcc35af61b4331ab3af087457900d3980e18d190e17c3a697",
+                "sha256:2000b4088dee9a41f459fddaf6609bba48a435ce6374bb254c5ccdaa8928c5ba",
+                "sha256:2afb0064780d8aaf165875be5898c1866766e56175714fa5f9d055433e92d41d",
+                "sha256:2d8f1d9334a4e3ff176d096c14ded3100547d73440683567d85b8842a53180bb",
+                "sha256:2e38db22f6a3199fd63675e1b4bd795d676d906869047398f29f38ca55cb453a",
+                "sha256:3181f84649c1a1ca62b19ddf28436b1b2cb05ae6c7d2628f33872e713994c364",
+                "sha256:37462170dfd88af8431d04de6b236e6e9c06cda71e2ca26d88ef2332fd2a5237",
+                "sha256:3a9d8521c89bf6f2a929c3d12ad3ad7392c774c327ea809fd08a13be6b3bc05f",
+                "sha256:3d0bbd2e1a28b4429f24fd63a122a450ce9edb7a8063d070790092d7343a1aa4",
+                "sha256:483d60585ce3ee71929cea70949059f83850fa5e12deb9c094ed1c8c2ec73cbd",
+                "sha256:4888be27d5cba55ce94209baef5bcd7bbd7314a3d17021a5fc10000b3a5f737d",
+                "sha256:64b0d62e4209170a2a0c404c446ab83b941a0003e96604d2e4f4cb735f8a2254",
+                "sha256:68010900898fdf139ac08549c4dba8206c584070a960ffc530aebf0c6f2794ef",
+                "sha256:872ecb066de602a0099db98bd9e57f4cfc1d62f6093d94460c787737aa08f39e",
+                "sha256:88a32b03f2e4cd0e63f154cac76724709f40b3fc2f30139eb5d6f900521b44ed",
+                "sha256:b1dc7683da4e67ab2bebf266afa68098d681ae02ce570f0d1117312273d2b2ac",
+                "sha256:b29e27ce9371810250cb1528a771d047a9c7b0f79630dc7dc5815ff828f4273b",
+                "sha256:ce197559596370d985f1ce6b7051b52126849d8159040293bf8b98cb2b3e1f78",
+                "sha256:d45cf6daaf22584eff2175f48f82c4aa24d8e72a44913c5aff801819bb73d11f",
+                "sha256:e2ff9496322b2ce947ba4a7a5eb048158de9d6f3fe9efce29f1e8dd6878561e6",
+                "sha256:f7b979518ec1f294a41a707c007d54d0f3b3e1fd15d5b26b7e99b62b10d9a72e",
+                "sha256:f9c7268e9d16e34e50f8246c4f24cf7353764affd2bc971f0379514c246e3f6b",
+                "sha256:f9c839806089d79de588ee1dde2dae05dc1156d3355dfeb2b51fde84d9c960ad",
+                "sha256:ff962953e2389226adc4d355e34a98b0b800984399153c6678f2367b11b4d4b8"
             ],
-            "version": "==4.3.0"
+            "version": "==4.3.2"
         },
         "markupsafe": {
             "hashes": [
-                "sha256:048ef924c1623740e70204aa7143ec592504045ae4429b59c30054cb31e3c432",
-                "sha256:130f844e7f5bdd8e9f3f42e7102ef1d49b2e6fdf0d7526df3f87281a532d8c8b",
-                "sha256:19f637c2ac5ae9da8bfd98cef74d64b7e1bb8a63038a3505cd182c3fac5eb4d9",
-                "sha256:1b8a7a87ad1b92bd887568ce54b23565f3fd7018c4180136e1cf412b405a47af",
-                "sha256:1c25694ca680b6919de53a4bb3bdd0602beafc63ff001fea2f2fc16ec3a11834",
-                "sha256:1f19ef5d3908110e1e891deefb5586aae1b49a7440db952454b4e281b41620cd",
-                "sha256:1fa6058938190ebe8290e5cae6c351e14e7bb44505c4a7624555ce57fbbeba0d",
-                "sha256:31cbb1359e8c25f9f48e156e59e2eaad51cd5242c05ed18a8de6dbe85184e4b7",
-                "sha256:3e835d8841ae7863f64e40e19477f7eb398674da6a47f09871673742531e6f4b",
-                "sha256:4e97332c9ce444b0c2c38dd22ddc61c743eb208d916e4265a2a3b575bdccb1d3",
-                "sha256:525396ee324ee2da82919f2ee9c9e73b012f23e7640131dd1b53a90206a0f09c",
-                "sha256:52b07fbc32032c21ad4ab060fec137b76eb804c4b9a1c7c7dc562549306afad2",
-                "sha256:52ccb45e77a1085ec5461cde794e1aa037df79f473cbc69b974e73940655c8d7",
-                "sha256:5c3fbebd7de20ce93103cb3183b47671f2885307df4a17a0ad56a1dd51273d36",
-                "sha256:5e5851969aea17660e55f6a3be00037a25b96a9b44d2083651812c99d53b14d1",
-                "sha256:5edfa27b2d3eefa2210fb2f5d539fbed81722b49f083b2c6566455eb7422fd7e",
-                "sha256:7d263e5770efddf465a9e31b78362d84d015cc894ca2c131901a4445eaa61ee1",
-                "sha256:83381342bfc22b3c8c06f2dd93a505413888694302de25add756254beee8449c",
-                "sha256:857eebb2c1dc60e4219ec8e98dfa19553dae33608237e107db9c6078b1167856",
-                "sha256:98e439297f78fca3a6169fd330fbe88d78b3bb72f967ad9961bcac0d7fdd1550",
-                "sha256:bf54103892a83c64db58125b3f2a43df6d2cb2d28889f14c78519394feb41492",
-                "sha256:d9ac82be533394d341b41d78aca7ed0e0f4ba5a2231602e2f05aa87f25c51672",
-                "sha256:e982fe07ede9fada6ff6705af70514a52beb1b2c3d25d4e873e82114cf3c5401",
-                "sha256:edce2ea7f3dfc981c4ddc97add8a61381d9642dc3273737e756517cc03e84dd6",
-                "sha256:efdc45ef1afc238db84cb4963aa689c0408912a0239b0721cb172b4016eb31d6",
-                "sha256:f137c02498f8b935892d5c0172560d7ab54bc45039de8805075e19079c639a9c",
-                "sha256:f82e347a72f955b7017a39708a3667f106e6ad4d10b25f237396a7115d8ed5fd",
-                "sha256:fb7c206e01ad85ce57feeaaa0bf784b97fa3cad0d4a5737bc5295785f5c613a1"
-            ],
-            "version": "==1.1.0"
+                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
+                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
+                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
+                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
+                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
+                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
+                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
+                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
+                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
+                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
+                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
+                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
+                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
+                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
+                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
+                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
+                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
+                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
+                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
+                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
+                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
+                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
+                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"
+            ],
+            "version": "==1.1.1"
         },
         "pycparser": {
             "hashes": [
@@ -308,11 +320,11 @@
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:063df5763652e21de43de7d9e00ccf239f953a832941e37be541614732cdfc93",
-                "sha256:88f9287c0174266bb0d8cedd395cfba9c58e87e5ad86b2ce58859bc11be3cf02"
+                "sha256:7e6584c74aeed623791615e26efd690f29817a27c73085b78e4bad02493df2fb",
+                "sha256:c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e"
             ],
             "index": "pypi",
-            "version": "==2.7.5"
+            "version": "==2.8.0"
         },
         "python-dotenv": {
             "hashes": [
@@ -363,9 +375,9 @@
         },
         "tabulate": {
             "hashes": [
-                "sha256:e4ca13f26d0a6be2a2915428dc21e732f1e44dad7f76d7030b2ef1ec251cf7f2"
+                "sha256:8af07a39377cee1103a5c8b3330a421c2d99b9141e9cc5ddd2e3263fea416943"
             ],
-            "version": "==0.8.2"
+            "version": "==0.8.3"
         },
         "urllib3": {
             "hashes": [
@@ -392,24 +404,24 @@
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:35b032003d6a863f5dcd7ec11abd5cd5893428beaa31ab164982403bcb311f22",
-                "sha256:6a5d668d7dc69110de01cdf7aeec69a679ef486862a0850cc0fd5571505b6b7e"
+                "sha256:6560e1e1749f68c64a4b5dee4e091fce798d2f0d84ebe638cf0e0585a343acf4",
+                "sha256:b65db1bbaac9f9f4d190199bb8680af6f6f84fd3769a5ea883df8a91fe68b4c4"
             ],
-            "version": "==2.1.0"
+            "version": "==2.2.5"
         },
         "atomicwrites": {
             "hashes": [
-                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
-                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
             ],
-            "version": "==1.2.1"
+            "version": "==1.3.0"
         },
         "attrs": {
             "hashes": [
-                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
-                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
+                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
+                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
             ],
-            "version": "==18.2.0"
+            "version": "==19.1.0"
         },
         "backcall": {
             "hashes": [
@@ -420,10 +432,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.3.9"
         },
         "chardet": {
             "hashes": [
@@ -434,56 +446,56 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:06123b58a1410873e22134ca2d88bd36680479fe354955b3579fb8ff150e4d27",
-                "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
-                "sha256:0a1f9b0eb3aa15c990c328535655847b3420231af299386cfe5efc98f9c250fe",
-                "sha256:0cc941b37b8c2ececfed341444a456912e740ecf515d560de58b9a76562d966d",
-                "sha256:0d34245f824cc3140150ab7848d08b7e2ba67ada959d77619c986f2062e1f0e8",
-                "sha256:10e8af18d1315de936d67775d3a814cc81d0747a1a0312d84e27ae5610e313b0",
-                "sha256:1b4276550b86caa60606bd3572b52769860a81a70754a54acc8ba789ce74d607",
-                "sha256:1e8a2627c48266c7b813975335cfdea58c706fe36f607c97d9392e61502dc79d",
-                "sha256:258b21c5cafb0c3768861a6df3ab0cfb4d8b495eee5ec660e16f928bf7385390",
-                "sha256:2b224052bfd801beb7478b03e8a66f3f25ea56ea488922e98903914ac9ac930b",
-                "sha256:3ad59c84c502cd134b0088ca9038d100e8fb5081bbd5ccca4863f3804d81f61d",
-                "sha256:447c450a093766744ab53bf1e7063ec82866f27bcb4f4c907da25ad293bba7e3",
-                "sha256:46101fc20c6f6568561cdd15a54018bb42980954b79aa46da8ae6f008066a30e",
-                "sha256:4710dc676bb4b779c4361b54eb308bc84d64a2fa3d78e5f7228921eccce5d815",
-                "sha256:510986f9a280cd05189b42eee2b69fecdf5bf9651d4cd315ea21d24a964a3c36",
-                "sha256:5535dda5739257effef56e49a1c51c71f1d37a6e5607bb25a5eee507c59580d1",
-                "sha256:5a7524042014642b39b1fcae85fb37556c200e64ec90824ae9ecf7b667ccfc14",
-                "sha256:5f55028169ef85e1fa8e4b8b1b91c0b3b0fa3297c4fb22990d46ff01d22c2d6c",
-                "sha256:6694d5573e7790a0e8d3d177d7a416ca5f5c150742ee703f3c18df76260de794",
-                "sha256:6831e1ac20ac52634da606b658b0b2712d26984999c9d93f0c6e59fe62ca741b",
-                "sha256:71afc1f5cd72ab97330126b566bbf4e8661aab7449f08895d21a5d08c6b051ff",
-                "sha256:7349c27128334f787ae63ab49d90bf6d47c7288c63a0a5dfaa319d4b4541dd2c",
-                "sha256:77f0d9fa5e10d03aa4528436e33423bfa3718b86c646615f04616294c935f840",
-                "sha256:828ad813c7cdc2e71dcf141912c685bfe4b548c0e6d9540db6418b807c345ddd",
-                "sha256:859714036274a75e6e57c7bab0c47a4602d2a8cfaaa33bbdb68c8359b2ed4f5c",
-                "sha256:85a06c61598b14b015d4df233d249cd5abfa61084ef5b9f64a48e997fd829a82",
-                "sha256:869ef4a19f6e4c6987e18b315721b8b971f7048e6eaea29c066854242b4e98d9",
-                "sha256:8cb4febad0f0b26c6f62e1628f2053954ad2c555d67660f28dfb1b0496711952",
-                "sha256:977e2d9a646773cc7428cdd9a34b069d6ee254fadfb4d09b3f430e95472f3cf3",
-                "sha256:99bd767c49c775b79fdcd2eabff405f1063d9d959039c0bdd720527a7738748a",
-                "sha256:a5c58664b23b248b16b96253880b2868fb34358911400a7ba39d7f6399935389",
-                "sha256:aaa0f296e503cda4bc07566f592cd7a28779d433f3a23c48082af425d6d5a78f",
-                "sha256:ab235d9fe64833f12d1334d29b558aacedfbca2356dfb9691f2d0d38a8a7bfb4",
-                "sha256:b3b0c8f660fae65eac74fbf003f3103769b90012ae7a460863010539bb7a80da",
-                "sha256:bab8e6d510d2ea0f1d14f12642e3f35cefa47a9b2e4c7cea1852b52bc9c49647",
-                "sha256:c45297bbdbc8bb79b02cf41417d63352b70bcb76f1bbb1ee7d47b3e89e42f95d",
-                "sha256:d19bca47c8a01b92640c614a9147b081a1974f69168ecd494687c827109e8f42",
-                "sha256:d64b4340a0c488a9e79b66ec9f9d77d02b99b772c8b8afd46c1294c1d39ca478",
-                "sha256:da969da069a82bbb5300b59161d8d7c8d423bc4ccd3b410a9b4d8932aeefc14b",
-                "sha256:ed02c7539705696ecb7dc9d476d861f3904a8d2b7e894bd418994920935d36bb",
-                "sha256:ee5b8abc35b549012e03a7b1e86c09491457dba6c94112a2482b18589cc2bdb9"
-            ],
-            "version": "==4.5.2"
+                "sha256:0c5fe441b9cfdab64719f24e9684502a59432df7570521563d7b1aff27ac755f",
+                "sha256:2b412abc4c7d6e019ce7c27cbc229783035eef6d5401695dccba80f481be4eb3",
+                "sha256:3684fabf6b87a369017756b551cef29e505cb155ddb892a7a29277b978da88b9",
+                "sha256:39e088da9b284f1bd17c750ac672103779f7954ce6125fd4382134ac8d152d74",
+                "sha256:3c205bc11cc4fcc57b761c2da73b9b72a59f8d5ca89979afb0c1c6f9e53c7390",
+                "sha256:42692db854d13c6c5e9541b6ffe0fe921fe16c9c446358d642ccae1462582d3b",
+                "sha256:465ce53a8c0f3a7950dfb836438442f833cf6663d407f37d8c52fe7b6e56d7e8",
+                "sha256:48020e343fc40f72a442c8a1334284620f81295256a6b6ca6d8aa1350c763bbe",
+                "sha256:4ec30ade438d1711562f3786bea33a9da6107414aed60a5daa974d50a8c2c351",
+                "sha256:5296fc86ab612ec12394565c500b412a43b328b3907c0d14358950d06fd83baf",
+                "sha256:5f61bed2f7d9b6a9ab935150a6b23d7f84b8055524e7be7715b6513f3328138e",
+                "sha256:6899797ac384b239ce1926f3cb86ffc19996f6fa3a1efbb23cb49e0c12d8c18c",
+                "sha256:68a43a9f9f83693ce0414d17e019daee7ab3f7113a70c79a3dd4c2f704e4d741",
+                "sha256:6b8033d47fe22506856fe450470ccb1d8ba1ffb8463494a15cfc96392a288c09",
+                "sha256:7ad7536066b28863e5835e8cfeaa794b7fe352d99a8cded9f43d1161be8e9fbd",
+                "sha256:7bacb89ccf4bedb30b277e96e4cc68cd1369ca6841bde7b005191b54d3dd1034",
+                "sha256:839dc7c36501254e14331bcb98b27002aa415e4af7ea039d9009409b9d2d5420",
+                "sha256:8e679d1bde5e2de4a909efb071f14b472a678b788904440779d2c449c0355b27",
+                "sha256:8f9a95b66969cdea53ec992ecea5406c5bd99c9221f539bca1e8406b200ae98c",
+                "sha256:932c03d2d565f75961ba1d3cec41ddde00e162c5b46d03f7423edcb807734eab",
+                "sha256:93f965415cc51604f571e491f280cff0f5be35895b4eb5e55b47ae90c02a497b",
+                "sha256:988529edadc49039d205e0aa6ce049c5ccda4acb2d6c3c5c550c17e8c02c05ba",
+                "sha256:998d7e73548fe395eeb294495a04d38942edb66d1fa61eb70418871bc621227e",
+                "sha256:9de60893fb447d1e797f6bf08fdf0dbcda0c1e34c1b06c92bd3a363c0ea8c609",
+                "sha256:9e80d45d0c7fcee54e22771db7f1b0b126fb4a6c0a2e5afa72f66827207ff2f2",
+                "sha256:a545a3dfe5082dc8e8c3eb7f8a2cf4f2870902ff1860bd99b6198cfd1f9d1f49",
+                "sha256:a5d8f29e5ec661143621a8f4de51adfb300d7a476224156a39a392254f70687b",
+                "sha256:a9abc8c480e103dc05d9b332c6cc9fb1586330356fc14f1aa9c0ca5745097d19",
+                "sha256:aca06bfba4759bbdb09bf52ebb15ae20268ee1f6747417837926fae990ebc41d",
+                "sha256:bb23b7a6fd666e551a3094ab896a57809e010059540ad20acbeec03a154224ce",
+                "sha256:bfd1d0ae7e292105f29d7deaa9d8f2916ed8553ab9d5f39ec65bcf5deadff3f9",
+                "sha256:c22ab9f96cbaff05c6a84e20ec856383d27eae09e511d3e6ac4479489195861d",
+                "sha256:c62ca0a38958f541a73cf86acdab020c2091631c137bd359c4f5bddde7b75fd4",
+                "sha256:c709d8bda72cf4cd348ccec2a4881f2c5848fd72903c185f363d361b2737f773",
+                "sha256:c968a6aa7e0b56ecbd28531ddf439c2ec103610d3e2bf3b75b813304f8cb7723",
+                "sha256:ca58eba39c68010d7e87a823f22a081b5290e3e3c64714aac3c91481d8b34d22",
+                "sha256:df785d8cb80539d0b55fd47183264b7002077859028dfe3070cf6359bf8b2d9c",
+                "sha256:f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f",
+                "sha256:f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1",
+                "sha256:f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260",
+                "sha256:fc5f4d209733750afd2714e9109816a29500718b32dd9a5db01c0cb3a019b96a"
+            ],
+            "version": "==4.5.3"
         },
         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:33cd704aea07b4c28b3eb2c97d288a06918275dac0ecebdaf1bc8a48d98adb9e",
+                "sha256:cabb249f4710888a2fc0e13e9a16c343d932033718ff62e1e9bc93a9d3a9122b"
             ],
-            "version": "==4.3.0"
+            "version": "==4.3.2"
         },
         "idna": {
             "hashes": [
@@ -494,11 +506,11 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:6a9496209b76463f1dec126ab928919aaf1f55b38beb9219af3fe202f6bbdd12",
-                "sha256:f69932b1e806b38a7818d9a1e918e5821b685715040b48e59c657b3c7961b742"
+                "sha256:06de667a9e406924f97781bda22d5d76bfb39762b678762d86a466e63f65dc39",
+                "sha256:5d3e020a6b5f29df037555e5c45ab1088d6a7cf3bd84f47e0ba501eeb0c3ec82"
             ],
             "index": "pypi",
-            "version": "==7.2.0"
+            "version": "==7.3.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -509,18 +521,17 @@
         },
         "isort": {
             "hashes": [
-                "sha256:1153601da39a25b14ddc54955dbbacbb6b2d19135386699e2ad58517953b34af",
-                "sha256:b9c40e9750f3d77e6e4d441d8b0266cf555e7cdabdcff33c4fd06366ca761ef8",
-                "sha256:ec9ef8f4a9bc6f71eec99e1806bfa2de401650d996c59330782b89a5555c1497"
+                "sha256:18c796c2cd35eb1a1d3f012a214a542790a1aed95e29768bdcb9f2197eccbd0b",
+                "sha256:96151fca2c6e736503981896495d344781b60d18bfda78dc11b290c6125ebdb6"
             ],
-            "version": "==4.3.4"
+            "version": "==4.3.15"
         },
         "jedi": {
             "hashes": [
-                "sha256:571702b5bd167911fe9036e5039ba67f820d6502832285cde8c881ab2b2149fd",
-                "sha256:c8481b5e59d34a5c7c42e98f6625e633f6ef59353abea6437472c7ec2093f191"
+                "sha256:2bb0603e3506f708e792c7f4ad8fc2a7a9d9c2d292a358fbbd58da531695595b",
+                "sha256:2c6bcd9545c7d6440951b12b44d373479bf18123a401a52025cf98563fbd826c"
             ],
-            "version": "==0.13.2"
+            "version": "==0.13.3"
         },
         "lazy-object-proxy": {
             "hashes": [
@@ -565,18 +576,18 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4",
-                "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
-                "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
+                "sha256:0125e8f60e9e031347105eb1682cef932f5e97d7b9a1a28d9bf00c22a5daef40",
+                "sha256:590044e3942351a1bdb1de960b739ff4ce277960f2425ad4509446dbace8d9d1"
             ],
-            "version": "==5.0.0"
+            "markers": "python_version > '2.7'",
+            "version": "==6.0.0"
         },
         "parso": {
             "hashes": [
-                "sha256:4b8f9ed80c3a4a3191aa3261505d868aa552dd25649cb13a7d73b6b7315edf2d",
-                "sha256:5a120be2e8863993b597f1c0437efca799e90e0793c98ae5d4e34ebd00140e31"
+                "sha256:4580328ae3f548b358f4901e38c0578229186835f0fa0846e47369796dd5bcc9",
+                "sha256:68406ebd7eafe17f8e40e15a84b56848eccbf27d7c1feb89e93d8fca395706db"
             ],
-            "version": "==0.3.2"
+            "version": "==0.3.4"
         },
         "pathlib2": {
             "hashes": [
@@ -610,18 +621,18 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616",
-                "sha256:980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"
+                "sha256:19ecf9ce9db2fce065a7a0586e07cfb4ac8614fe96edf628a264b1c70116cf8f",
+                "sha256:84d306a647cc805219916e62aab89caa97a33a1dd8c342e87a37f91073cd4746"
             ],
-            "version": "==0.8.1"
+            "version": "==0.9.0"
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:c1d6aff5252ab2ef391c2fe498ed8c088066f66bc64a8d5c095bbf795d9fec34",
-                "sha256:d4c47f79b635a0e70b84fdb97ebd9a274203706b1ee5ed44c10da62755cf3ec9",
-                "sha256:fd17048d8335c1e6d5ee403c3569953ba3eb8555d710bfc548faf0712666ea39"
+                "sha256:11adf3389a996a6d45cc277580d0d53e8a5afd281d0c9ec71b28e6f121463780",
+                "sha256:2519ad1d8038fd5fc8e770362237ad0364d16a7650fb5724af6997ed5515e3c1",
+                "sha256:977c6583ae813a37dc1c2e1b715892461fcbdaa57f6fc62f33a528c4886c8f55"
             ],
-            "version": "==2.0.7"
+            "version": "==2.0.9"
         },
         "psycopg2": {
             "hashes": [
@@ -667,10 +678,10 @@
         },
         "py": {
             "hashes": [
-                "sha256:bf92637198836372b520efcba9e020c330123be8ce527e535d185ed4b6f45694",
-                "sha256:e76826342cefe3c3d5f7e8ee4316b80d1dd8a300781612ddbc765c17ba25a6c6"
+                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
+                "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"
             ],
-            "version": "==1.7.0"
+            "version": "==1.8.0"
         },
         "pygments": {
             "hashes": [
@@ -681,19 +692,19 @@
         },
         "pylint": {
             "hashes": [
-                "sha256:689de29ae747642ab230c6d37be2b969bf75663176658851f456619aacf27492",
-                "sha256:771467c434d0d9f081741fec1d64dfb011ed26e65e12a28fe06ca2f61c4d556c"
+                "sha256:5d77031694a5fb97ea95e828c8d10fc770a1df6eb3906067aaed42201a8a6a09",
+                "sha256:723e3db49555abaf9bf79dc474c6b9e2935ad82230b10c1138a71ea41ac0fff1"
             ],
             "index": "pypi",
-            "version": "==2.2.2"
+            "version": "==2.3.1"
         },
         "pytest": {
             "hashes": [
-                "sha256:41568ea7ecb4a68d7f63837cf65b92ce8d0105e43196ff2b26622995bb3dc4b2",
-                "sha256:c3c573a29d7c9547fb90217ece8a8843aa0c1328a797e200290dc3d0b4b823be"
+                "sha256:067a1d4bf827ffdd56ad21bd46674703fce77c5957f6c1eef731f6146bfcef1c",
+                "sha256:9687049d53695ad45cf5fdc7bbd51f0c49f1ea3ecfc4b7f3fde7501b541f17f4"
             ],
             "index": "pypi",
-            "version": "==4.1.1"
+            "version": "==4.3.0"
         },
         "pytest-cov": {
             "hashes": [
@@ -742,30 +753,28 @@
         },
         "typed-ast": {
             "hashes": [
-                "sha256:023625bfa9359e29bd6e24cac2a4503495b49761d48a5f1e38333fc4ac4d93fe",
-                "sha256:07591f7a5fdff50e2e566c4c1e9df545c75d21e27d98d18cb405727ed0ef329c",
-                "sha256:153e526b0f4ffbfada72d0bb5ffe8574ba02803d2f3a9c605c8cf99dfedd72a2",
-                "sha256:3ad2bdcd46a4a1518d7376e9f5016d17718a9ed3c6a3f09203d832f6c165de4a",
-                "sha256:3ea98c84df53ada97ee1c5159bb3bc784bd734231235a1ede14c8ae0775049f7",
-                "sha256:51a7141ccd076fa561af107cfb7a8b6d06a008d92451a1ac7e73149d18e9a827",
-                "sha256:52c93cd10e6c24e7ac97e8615da9f224fd75c61770515cb323316c30830ddb33",
-                "sha256:6344c84baeda3d7b33e157f0b292e4dd53d05ddb57a63f738178c01cac4635c9",
-                "sha256:64699ca1b3bd5070bdeb043e6d43bc1d0cebe08008548f4a6bee782b0ecce032",
-                "sha256:74903f2e56bbffe29282ef8a5487d207d10be0f8513b41aff787d954a4cf91c9",
-                "sha256:7891710dba83c29ee2bd51ecaa82f60f6bede40271af781110c08be134207bf2",
-                "sha256:91976c56224e26c256a0de0f76d2004ab885a29423737684b4f7ebdd2f46dde2",
-                "sha256:9bad678a576ecc71f25eba9f1e3fd8d01c28c12a2834850b458428b3e855f062",
-                "sha256:b4726339a4c180a8b6ad9d8b50d2b6dc247e1b79b38fe2290549c98e82e4fd15",
-                "sha256:ba36f6aa3f8933edf94ea35826daf92cbb3ec248b89eccdc053d4a815d285357",
-                "sha256:bbc96bde544fd19e9ef168e4dfa5c3dfe704bfa78128fa76f361d64d6b0f731a",
-                "sha256:c0c927f1e44469056f7f2dada266c79b577da378bbde3f6d2ada726d131e4824",
-                "sha256:c0f9a3708008aa59f560fa1bd22385e05b79b8e38e0721a15a8402b089243442",
-                "sha256:f0bf6f36ff9c5643004171f11d2fdc745aa3953c5aacf2536a0685db9ceb3fb1",
-                "sha256:f5be39a0146be663cbf210a4d95c3c58b2d7df7b043c9047c5448e358f0550a2",
-                "sha256:fcd198bf19d9213e5cbf2cde2b9ef20a9856e716f76f9476157f90ae6de06cc6"
-            ],
-            "markers": "python_version < '3.7' and implementation_name == 'cpython'",
-            "version": "==1.2.0"
+                "sha256:035a54ede6ce1380599b2ce57844c6554666522e376bd111eb940fbc7c3dad23",
+                "sha256:037c35f2741ce3a9ac0d55abfcd119133cbd821fffa4461397718287092d9d15",
+                "sha256:049feae7e9f180b64efacbdc36b3af64a00393a47be22fa9cb6794e68d4e73d3",
+                "sha256:19228f7940beafc1ba21a6e8e070e0b0bfd1457902a3a81709762b8b9039b88d",
+                "sha256:2ea681e91e3550a30c2265d2916f40a5f5d89b59469a20f3bad7d07adee0f7a6",
+                "sha256:3a6b0a78af298d82323660df5497bcea0f0a4a25a0b003afd0ce5af049bd1f60",
+                "sha256:5385da8f3b801014504df0852bf83524599df890387a3c2b17b7caa3d78b1773",
+                "sha256:606d8afa07eef77280c2bf84335e24390055b478392e1975f96286d99d0cb424",
+                "sha256:69245b5b23bbf7fb242c9f8f08493e9ecd7711f063259aefffaeb90595d62287",
+                "sha256:6f6d839ab09830d59b7fa8fb6917023d8cb5498ee1f1dbd82d37db78eb76bc99",
+                "sha256:730888475f5ac0e37c1de4bd05eeb799fdb742697867f524dc8a4cd74bcecc23",
+                "sha256:9819b5162ffc121b9e334923c685b0d0826154e41dfe70b2ede2ce29034c71d8",
+                "sha256:9e60ef9426efab601dd9aa120e4ff560f4461cf8442e9c0a2b92548d52800699",
+                "sha256:af5fbdde0690c7da68e841d7fc2632345d570768ea7406a9434446d7b33b0ee1",
+                "sha256:b64efdbdf3bbb1377562c179f167f3bf301251411eb5ac77dec6b7d32bcda463",
+                "sha256:bac5f444c118aeb456fac1b0b5d14c6a71ea2a42069b09c176f75e9bd4c186f6",
+                "sha256:bda9068aafb73859491e13b99b682bd299c1b5fd50644d697533775828a28ee0",
+                "sha256:d659517ca116e6750101a1326107d3479028c5191f0ecee3c7203c50f5b915b0",
+                "sha256:eddd3fb1f3e0f82e5915a899285a39ee34ce18fd25d89582bc89fc9fb16cd2c6"
+            ],
+            "markers": "implementation_name == 'cpython'",
+            "version": "==1.3.1"
         },
         "urllib3": {
             "hashes": [
diff --git a/python/fatcat_export.py b/python/fatcat_export.py
index 33e23202..a9d46142 100755
--- a/python/fatcat_export.py
+++ b/python/fatcat_export.py
@@ -10,12 +10,19 @@ without permission by an third party.
 import sys
 import json
 import argparse
+
+from citeproc import CitationStylesStyle, CitationStylesBibliography
+from citeproc import Citation, CitationItem
+from citeproc import formatter
+from citeproc.source.json import CiteProcJSON
+from citeproc_styles import get_style_filepath
+
 import fatcat_client
 from fatcat_client.rest import ApiException
 from fatcat_client import ReleaseEntity, ContainerEntity, ChangelogEntry
 from fatcat_tools import uuid2fcid, entity_from_json, entity_to_dict, \
     release_to_elasticsearch, container_to_elasticsearch, \
-    changelog_to_elasticsearch, public_api
+    changelog_to_elasticsearch, public_api, release_to_csl
 
 
 def run_export_releases(args):
@@ -52,6 +59,43 @@ def run_transform_changelogs(args):
         args.json_output.write(
             json.dumps(changelog_to_elasticsearch(entity)) + '\n')
 
+def run_citeproc_releases(args):
+    for line in args.json_input:
+        line = line.strip()
+        if not line:
+            continue
+        entity = entity_from_json(line, ReleaseEntity, api_client=args.api.api_client)
+        csl_json = release_to_csl(entity)
+        # XXX:
+        csl_json['id'] = "release:" + (entity.ident or "unknown")
+        if args.style == "csl-json":
+            args.json_output.write(json.dumps(csl_json) + "\n")
+            continue
+        bib_src = CiteProcJSON([csl_json])
+        form = formatter.plain
+        if args.html:
+            form = formatter.html
+        style_path = get_style_filepath(args.style)
+        bib_style = CitationStylesStyle(style_path, validate=False)
+        bib = CitationStylesBibliography(bib_style, bib_src, form)
+        bib.register(Citation([CitationItem(csl_json['id'])]))
+        # XXX:
+        #args.json_output.write(
+        #    json.dumps(release_to_csl(entity)) + '\n')
+        lines = bib.bibliography()[0]
+        if args.style == "bibtex":
+            for l in lines:
+                if l.startswith(" @"):
+                    args.json_output.write("\n@")
+                elif l.startswith(" "):
+                    #print("line: START|{}|END".format(l))
+                    args.json_output.write("\n  " + l)
+                else:
+                    args.json_output.write(l)
+        else:
+            args.json_output.write(''.join(lines) + "\n")
+        print()
+
 def run_export_changelog(args):
     end = args.end
     if end is None:
@@ -109,6 +153,21 @@ def main():
         help="where to send output",
         default=sys.stdout, type=argparse.FileType('w'))
 
+    sub_citeproc_releases = subparsers.add_parser('citeproc-releases')
+    sub_citeproc_releases.set_defaults(func=run_citeproc_releases)
+    sub_citeproc_releases.add_argument('json_input',
+        help="JSON-per-line of release entities",
+        default=sys.stdin, type=argparse.FileType('r'))
+    sub_citeproc_releases.add_argument('json_output',
+        help="where to send output",
+        default=sys.stdout, type=argparse.FileType('w'))
+    sub_citeproc_releases.add_argument('--style',
+        help="citation style to output",
+        default='csl-json')
+    sub_citeproc_releases.add_argument('--html',
+        action='store_true',
+        help="output HTML, not plain text")
+
     sub_changelog = subparsers.add_parser('changelog')
     sub_changelog.set_defaults(func=run_export_changelog)
     sub_changelog.add_argument('--start',
diff --git a/python/fatcat_tools/__init__.py b/python/fatcat_tools/__init__.py
index 64c45062..c72ccd47 100644
--- a/python/fatcat_tools/__init__.py
+++ b/python/fatcat_tools/__init__.py
@@ -3,4 +3,4 @@ from .api_auth import authenticated_api, public_api
 from .fcid import fcid2uuid, uuid2fcid
 from .transforms import entity_to_dict, entity_from_json, \
     release_to_elasticsearch, container_to_elasticsearch, \
-    changelog_to_elasticsearch
+    changelog_to_elasticsearch, release_to_csl
diff --git a/python/fatcat_tools/transforms.py b/python/fatcat_tools/transforms.py
index 0e5afd6a..f49b5ac9 100644
--- a/python/fatcat_tools/transforms.py
+++ b/python/fatcat_tools/transforms.py
@@ -319,6 +319,171 @@ def container_to_elasticsearch(entity, force_bool=True):
     return t
 
 
+def contribs_by_role(contribs, role):
+    ret = [c.copy() for c in contribs if c['role'] == role]
+    [c.pop('role') for c in ret]
+    # XXX:
+    [c.pop('literal') for c in ret]
+    if not ret:
+        return None
+    else:
+        return ret
+
+
+def release_to_csl(entity):
+    """
+    Returns a python dict which can be json.dumps() to get a CSL-JSON (aka,
+    citeproc-JSON, aka Citation Style Language JSON)
+
+    This function will likely become an API method/endpoint
+
+    Follows, but not enforced by: https://github.com/citation-style-language/schema/blob/master/csl-data.json
+    """
+    contribs = []
+    for contrib in (entity.contribs or []):
+        if contrib.creator:
+            # TODO: should we actually be pulling creator metadata? or just
+            # using release-local raw metadata?
+            c = dict(
+                family=contrib.creator.surname,
+                given=contrib.creator.given_name,
+                #dropping-particle
+                #non-dropping-particle
+                #suffix
+                #comma-suffix
+                #static-ordering
+                literal=contrib.raw_name, # or display_name?
+                #parse-names,
+                role=contrib.role,
+            )
+        else:
+            c = dict(
+                # XXX: possible inclusion of full name metadata in release_contrib
+                family=contrib.raw_name.split()[-1],
+                literal=contrib.raw_name,
+                role=contrib.role,
+            )
+        for k in list(c.keys()):
+            if not c[k]:
+                c.pop(k)
+        contribs.append(c)
+    abstract = None
+    if entity.abstracts:
+        abstract = entity.abstracts[0].content
+
+    issued_date = None
+    if entity.release_date:
+        issued_date = {"date-parts": [[
+            entity.release_date.year,
+            entity.release_date.month,
+            entity.release_date.day,
+        ]]}
+    elif entity.release_year:
+        issued_date = {"date-parts": [[entity.release_year]]}
+
+    csl = dict(
+        #id,
+        #categories
+        type=entity.release_type or "article", # XXX: can't be blank
+        language=entity.language,
+        #journalAbbreviation
+        #shortTitle
+        ## see below for all contrib roles
+        #accessed
+        #container
+        #event-date
+        issued=issued_date,
+        #original-date
+        #submitted
+        abstract=abstract,
+        #annote
+        #archive
+        #archive_location
+        #archive-place
+        #authority
+        #call-number
+        #chapter-number
+        #citation-number
+        #citation-label
+        #collection-number
+        #collection-title
+        container_title=entity.container and entity.container.name,
+        #container-title-short
+        #dimensions
+        DOI=entity.doi,
+        #edition
+        #event
+        #event-place
+        #first-reference-note-number
+        #genre
+        ISBN=entity.isbn13,
+        ISSN=entity.container and entity.container.issnl,
+        issue=entity.issue,
+        #jurisdiction
+        #keyword
+        #locator
+        #medium
+        #note
+        #number
+        #number-of-pages
+        #number-of-volumes
+        #original-publisher
+        #original-publisher-place
+        #original-title
+        # XXX: page=entity.pages,
+        page_first=entity.pages.split('-')[0],
+        PMCID=entity.pmcid,
+        PMID=entity.pmid,
+        publisher=(entity.container and entity.container.publisher) or entity.publisher,
+        #publisher-place
+        #references
+        #reviewed-title
+        #scale
+        #section
+        #source
+        #status
+        title=entity.title,
+        #title-short
+        #URL
+        #version
+        volume=entity.volume,
+        #year-suffix
+    )
+    for role in ['author', 'collection-editor', 'composer', 'container-author',
+            'director', 'editor', 'editorial-director', 'interviewer',
+            'illustrator', 'original-author', 'recipient', 'reviewed-author',
+            'translator']:
+        cbr = contribs_by_role(contribs, role)
+        if cbr:
+            csl[role] = cbr
+    # underline-to-dash
+    csl['container-title'] = csl.pop('container_title')
+    csl['page-first'] = csl.pop('page_first')
+    empty_keys = [k for k,v in csl.items() if not v]
+    for k in empty_keys:
+        csl.pop(k)
+    return csl
+
+
+def refs_to_csl(entity):
+    ret = []
+    for ref in entity.refs:
+        if ref.release_id and False:
+            # TODO: fetch full entity from API and convert with release_to_csl
+            raise NotImplementedError
+        else:
+            issued_date = None
+            if ref.year:
+                issued_date = [[ref.year]]
+            csl = dict(
+                title=ref.title,
+                issued=issued_date,
+            )
+        csl['id'] = ref.key or ref.index, # zero- or one-indexed?
+        ret.append(csl)
+    return ret
+
+
 def changelog_to_elasticsearch(entity):
 
     editgroup = entity.editgroup