diff --git a/Pipfile.lock b/Pipfile.lock
index e371b84..3a2c003 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "0a606128711aa222deae5cea55f882ff22d0fe9a22732fe7652ac6108521812f"
+            "sha256": "66759b8a389db171cfd4c4350eeb44053e9ee7d9fc6c836f7efa1386cb0b18f4"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -23,6 +23,13 @@
             ],
             "version": "==1.4.3"
         },
+        "attrs": {
+            "hashes": [
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
+            "version": "==19.3.0"
+        },
         "backcall": {
             "hashes": [
                 "sha256:38ecd85be2c1e78f77fd91700c76e14667dc21e2713b63876c0eb901196e01e4",
@@ -32,17 +39,17 @@
         },
         "bleach": {
             "hashes": [
-                "sha256:c39d25d9ada62009853b0281efdc35a792db8cdee89465433e6d0aaaf5defc3f",
-                "sha256:f680cc08e2eea821f3173b875f68763960006f1e764c92b5d2b8354af3a47468"
+                "sha256:213336e49e102af26d9cde77dd2d0397afabc5a6bf2fed985dc35b5d1e285a16",
+                "sha256:3fdf7f77adcf649c9911387df51254b813185e32b2c6619f690b593a617e19fa"
             ],
-            "version": "==3.0.1"
+            "version": "==3.1.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:376690d6f16d32f9d1fe8932551d80b23e9d393a8578c5633a2ed39a64861638",
-                "sha256:456048c7e371c089d0a77a5212fb37a2c2dce1e24146e3b7e0261736aaeaa22a"
+                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
+                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
             ],
-            "version": "==2018.8.24"
+            "version": "==2019.9.11"
         },
         "chardet": {
             "hashes": [
@@ -53,24 +60,24 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:86156361c50488b84a3f148056ea716ca587df2f0de1d34750d35c21312725de",
+                "sha256:f069f3a01830ca754ba5258fde2278454a0b5b79e0d7f5c13b3b97e57d4acff6"
             ],
-            "version": "==4.3.0"
+            "version": "==4.4.0"
         },
         "defusedxml": {
             "hashes": [
-                "sha256:24d7f2f94f7f3cb6061acb215685e5125fbcdc40a857eff9de22518820b0a4f4",
-                "sha256:702a91ade2968a82beb0db1e0766a6a273f33d4616a6ce8cde475d8e09853b20"
+                "sha256:6687150770438374ab581bb7a1b327a847dd9c5749e396102de3fad4e8a3ef93",
+                "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"
             ],
-            "version": "==0.5.0"
+            "version": "==0.6.0"
         },
         "entrypoints": {
             "hashes": [
-                "sha256:10ad569bb245e7e2ba425285b9fa3e8178a0dc92fc53b1e1c553805e15a8825b",
-                "sha256:d2d587dde06f99545fb13a383d2cd336a8ff1f359c5839ce3a64c917d10c029f"
+                "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
+                "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
             ],
-            "version": "==0.2.3"
+            "version": "==0.3"
         },
         "fcache": {
             "hashes": [
@@ -86,20 +93,27 @@
             ],
             "version": "==2.7"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:aa18d7378b00b40847790e7c27e11673d7fed219354109d0e7b9e5b25dc3ad26",
+                "sha256:d5f18a79777f3aa179c145737780282e27b508fc8fd688cb17c7a813e8bd39af"
+            ],
+            "version": "==0.23"
+        },
         "ipykernel": {
             "hashes": [
-                "sha256:0aeb7ec277ac42cc2b59ae3d08b10909b2ec161dc6908096210527162b53675d",
-                "sha256:0fc0bf97920d454102168ec2008620066878848fcfca06c22b669696212e292f"
+                "sha256:1a7def9c986f1ee018c1138d16951932d4c9d4da01dad45f9d34e9899565a22f",
+                "sha256:b368ad13edb71fa2db367a01e755a925d7f75ed5e09fbd3f06c85e7a8ef108a8"
             ],
-            "version": "==5.1.0"
+            "version": "==5.1.3"
         },
         "ipython": {
             "hashes": [
-                "sha256:47b17ea874454a5c2eacc2732b04a750d260b01ba479323155ac8a39031f5535",
-                "sha256:9fed506c3772c875a3048bc134a25e6f5e997b1569b2636f6a5d891f34cbfd46"
+                "sha256:c4ab005921641e40a68e405e286e7a1fcc464497e14d81b6914b4fd95e5dee9b",
+                "sha256:dd76831f065f17bddd7eaa5c781f5ea32de5ef217592cf019e34043b56895aa1"
             ],
             "markers": "python_version >= '3.3'",
-            "version": "==7.0.1"
+            "version": "==7.8.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -110,31 +124,38 @@
         },
         "ipywidgets": {
             "hashes": [
-                "sha256:0f2b5cde9f272cb49d52f3f0889fdd1a7ae1e74f37b48dac35a83152780d2b7b",
-                "sha256:a3e224f430163f767047ab9a042fc55adbcab0c24bbe6cf9f306c4f89fdf0ba3"
+                "sha256:13ffeca438e0c0f91ae583dc22f50379b9d6b28390ac7be8b757140e9a771516",
+                "sha256:e945f6e02854a74994c596d9db83444a1850c01648f1574adf144fbbabe05c97"
             ],
-            "version": "==7.4.2"
+            "version": "==7.5.1"
         },
         "jedi": {
             "hashes": [
-                "sha256:0191c447165f798e6a730285f2eee783fff81b0d3df261945ecb80983b5c3ca7",
-                "sha256:b7493f73a2febe0dc33d51c99b474547f7f6c0b2c8fb2b21f453eef204c12148"
+                "sha256:786b6c3d80e2f06fd77162a07fed81b8baa22dde5d62896a790a331d6ac21a27",
+                "sha256:ba859c74fa3c966a22f2aeebe1b74ee27e2a462f56d3f5f7ca4a59af61bfe42e"
             ],
-            "version": "==0.13.1"
+            "version": "==0.15.1"
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:74320bb91f31270f9551d46522e33af46a80c3d619f4a4bf42b3164d30b5911f",
+                "sha256:9fe95f19286cfefaa917656583d020be14e7859c6b0252588391e47db34527de"
             ],
-            "version": "==2.10"
+            "version": "==2.10.3"
+        },
+        "joblib": {
+            "hashes": [
+                "sha256:006108c7576b3eb6c5b27761ddbf188eb6e6347696325ab2027ea1ee9a4b922d",
+                "sha256:6fcc57aacb4e89451fd449e9412687c51817c3f48662c3d8f38ba3f8a0a193ff"
+            ],
+            "version": "==0.14.0"
         },
         "jsonschema": {
             "hashes": [
-                "sha256:000e68abd33c972a5248544925a0cae7d1125f9bf6c58280d37546b946769a08",
-                "sha256:6ff5f3180870836cae40f06fa10419f557208175f13ad7bc26caa77beb1f6e02"
+                "sha256:2fa0684276b6333ff3c0b1b27081f4b2305f0a36cf702a23db50edb141893c3f",
+                "sha256:94c0a13b4a0616458b42529091624e66700a17f847453e52279e35509a5b7631"
             ],
-            "version": "==2.6.0"
+            "version": "==3.1.1"
         },
         "jupyter": {
             "hashes": [
@@ -147,10 +168,10 @@
         },
         "jupyter-client": {
             "hashes": [
-                "sha256:27befcf0446b01e29853014d6a902dd101ad7d7f94e2252b1adca17c3466b761",
-                "sha256:59e6d791e22a8002ad0e80b78c6fd6deecab4f9e1b1aa1a22f4213de271b29ea"
+                "sha256:60e6faec1031d63df57f1cc671ed673dced0ed420f4377ea33db37b1c188b910",
+                "sha256:d0c077c9aaa4432ad485e7733e4d91e48f87b4f4bab7d283d42bb24cbbba0a0f"
             ],
-            "version": "==5.2.3"
+            "version": "==5.3.4"
         },
         "jupyter-console": {
             "hashes": [
@@ -161,10 +182,10 @@
         },
         "jupyter-core": {
             "hashes": [
-                "sha256:927d713ffa616ea11972534411544589976b2493fc7e09ad946e010aa7eb9970",
-                "sha256:ba70754aa680300306c699790128f6fbd8c306ee5927976cbe48adacf240c0b7"
+                "sha256:1368a838bba378c3c99f54c2961489831ea929ec7689a1d59d9844e584bc27dc",
+                "sha256:85103cee6548992780912c1a0a9ec2583a4a18f1ef79a248ec0db4446500bce3"
             ],
-            "version": "==4.4.0"
+            "version": "==4.6.0"
         },
         "lab-text-processing": {
             "hashes": [
@@ -176,9 +197,36 @@
         },
         "markupsafe": {
             "hashes": [
-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
-            ],
-            "version": "==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"
         },
         "mistune": {
             "hashes": [
@@ -187,12 +235,19 @@
             ],
             "version": "==0.8.4"
         },
+        "more-itertools": {
+            "hashes": [
+                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
+                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+            ],
+            "version": "==7.2.0"
+        },
         "nbconvert": {
             "hashes": [
-                "sha256:08d21cf4203fabafd0d09bbd63f06131b411db8ebeede34b0fd4be4548351779",
-                "sha256:a8a2749f972592aa9250db975304af6b7337f32337e523a2c995cc9e12c07807"
+                "sha256:427a468ec26e7d68a529b95f578d5cbf018cb4c1f889e897681c2b6d11897695",
+                "sha256:48d3c342057a2cf21e8df820d49ff27ab9f25fc72b8f15606bd47967333b2709"
             ],
-            "version": "==5.4.0"
+            "version": "==5.6.0"
         },
         "nbformat": {
             "hashes": [
@@ -203,17 +258,17 @@
         },
         "nltk": {
             "hashes": [
-                "sha256:fe0eda251be65843be86d7de9abfbf7161732256f742e623b21243ec47bdb718"
+                "sha256:bed45551259aa2101381bbdd5df37d44ca2669c5c3dad72439fa459b29137d94"
             ],
             "index": "pypi",
-            "version": "==3.3.0"
+            "version": "==3.4.5"
         },
         "notebook": {
             "hashes": [
-                "sha256:b85e4de3d54cf4f14fe1d0515a980ccb49ddd4cdd21250cc0d4fb6374d50b1a7",
-                "sha256:ddb713d15a3205d7d3beab11f7fa9e3b10dbe0a2fff034a7db22ec8a2bc47a8b"
+                "sha256:660976fe4fe45c7aa55e04bf4bccb9f9566749ff637e9020af3422f9921f9a5d",
+                "sha256:b0a290f5cc7792d50a21bec62b3c221dd820bf00efa916ce9aeec4b5354bde20"
             ],
-            "version": "==5.7.0"
+            "version": "==6.0.1"
         },
         "numpy": {
             "hashes": [
@@ -249,6 +304,31 @@
             "index": "pypi",
             "version": "==1.15.2"
         },
+        "pandas": {
+            "hashes": [
+                "sha256:0f484f43658a72e7d586a74978259657839b5bd31b903e963bb1b1491ab51775",
+                "sha256:0ffc6f9e20e77f3a7dc8baaad9c7fd25b858b084d3a2d8ce877bc3ea804e0636",
+                "sha256:23e0eac646419c3057f15eb96ab821964848607bf1d4ea5a82f26565986ec5e9",
+                "sha256:27c0603b15b5c6fa24885253bbe49a0c289381e7759385c59308ba4f0b166cf1",
+                "sha256:397fe360643fffc5b26b41efdf608647e3334a618d185a07976cd2dc51c90bce",
+                "sha256:3dbb3aa41c01504255bff2bd56944bdb915f6c9ce4bac7e2868efbace0b2a639",
+                "sha256:4e07c63247c59d61c6ebdbbb50196143cec6c5044403510c4e1a9d31854a83d6",
+                "sha256:4fa6d9235c6d2fecbeca82c3d326abd255866cafbfd37f66a0e826544e619760",
+                "sha256:56cb88b3876363d410a9d7724f43641ff164e2c9902d3266a648213e2efd5e6d",
+                "sha256:7ce1be1614455f83710b9a5dc1fc602a755bdddbe4dda1d41515062923a37bbf",
+                "sha256:ae1c96ffdeec376895e533107e0b0f9da16225a2184fbb24a5abc866769db75e",
+                "sha256:b6f27c9231be8a23de846f2302373991467dd8e397a4804d2614e8c5aa8d5a90",
+                "sha256:c6056067f894f9355bedcd168dd740aa849908d41c0a74756f6e38f203e941b3",
+                "sha256:ca91a19d1f0a280874a24dca44aadce42da7f3a7edb7e9ab7c7baad8febee2be",
+                "sha256:cbe4985f5c82a173f8cff6b7fe92d551addf99fb4ea9ff4eb4b1fe606bb098ec",
+                "sha256:e3e9893bfe80a8b8e6d56d36ebb7afe1df77db7b4068a6e2ef3636a91f6f1caa",
+                "sha256:e7b218e8711910dac3fed0d19376cd1ef0e386be5175965d332fd0c65d02a43b",
+                "sha256:ec48d18b8b63a5dbb838e8ea7892ee1034299e03f852bd9b6dffe870310414dd",
+                "sha256:f4ab6280277e3208a59bfa9f2e51240304d09e69ffb65abfb4a21d678b495f74"
+            ],
+            "index": "pypi",
+            "version": "==0.25.2"
+        },
         "pandocfilters": {
             "hashes": [
                 "sha256:b3dd70e169bb5449e6bc6ff96aea89c5eea8c5f6ab5e207fc2f521a2cf4a0da9"
@@ -257,18 +337,18 @@
         },
         "parso": {
             "hashes": [
-                "sha256:35704a43a3c113cce4de228ddb39aab374b8004f4f2407d070b6a2ca784ce8a2",
-                "sha256:895c63e93b94ac1e1690f5fdd40b65f07c8171e3e53cbd7793b5b96c0e0a7f24"
+                "sha256:63854233e1fadb5da97f2744b6b24346d2750b85965e7e399bec1620232797dc",
+                "sha256:666b0ee4a7a1220f65d367617f2cd3ffddff3e205f3f16a0284df30e774c2a9c"
             ],
-            "version": "==0.3.1"
+            "version": "==0.5.1"
         },
         "pexpect": {
             "hashes": [
-                "sha256:2a8e88259839571d1251d278476f3eec5db26deb73a70be5ed5dc5435e418aba",
-                "sha256:3fbd41d4caf27fa4a377bfd16fef87271099463e6fa73e92a52f92dfee5d425b"
+                "sha256:2094eefdfcf37a1fdbfb9aa090862c1a4878e5c7e0e7e7088bdb511c558e5cd1",
+                "sha256:9e2c1fd0e6ee3a49b28f95d4b33bc389c89b20af6a1255906e90ff1262ce62eb"
             ],
             "markers": "sys_platform != 'win32'",
-            "version": "==4.6.0"
+            "version": "==4.7.0"
         },
         "pickleshare": {
             "hashes": [
@@ -279,17 +359,17 @@
         },
         "prometheus-client": {
             "hashes": [
-                "sha256:2c0ddba8b9dc5e06de7578a7b25e4becafd6880e6d727bc0a73f8d826c1b0112"
+                "sha256:71cd24a2b3eb335cb800c7159f423df1bd4dcd5171b234be15e3f31ec9f622da"
             ],
-            "version": "==0.4.1"
+            "version": "==0.7.1"
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:5eff0c9fd652384ecfe730bbcdf3658868725c6928fbf608d9338834d7a974b6",
-                "sha256:81da9ecf6ca6806a549697529af8ec3ac5b739c13ac14607218e650db1b53131",
-                "sha256:c67c1c264d8a0d9e1070e9272bacee00f76c81daab7bc4bf09ff991bd1e224a7"
+                "sha256:46642344ce457641f28fc9d1c9ca939b63dadf8df128b86f1b9860e59c73a5e4",
+                "sha256:e7f8af9e3d70f514373bf41aa51bc33af12a6db3f71461ea47fea985defb2c31",
+                "sha256:f15af68f66e664eaa559d4ac8a928111eebd5feda0c11738b5998045224829db"
             ],
-            "version": "==2.0.5"
+            "version": "==2.0.10"
         },
         "ptyprocess": {
             "hashes": [
@@ -301,10 +381,16 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
-                "sha256:dbae1046def0efb574852fab9e90209b23f556367b5a320c0bcb871c77c3e8cc"
+                "sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127",
+                "sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"
+            ],
+            "version": "==2.4.2"
+        },
+        "pyrsistent": {
+            "hashes": [
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             ],
-            "version": "==2.2.0"
+            "version": "==0.15.4"
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         "pystemmer": {
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@@ -315,47 +401,54 @@
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
-                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
+                "sha256:7e6584c74aeed623791615e26efd690f29817a27c73085b78e4bad02493df2fb",
+                "sha256:c89805f6f4d64db21ed966fda138f8a5ed7a4fdbc1a8ee329ce1b74e3c74da9e"
             ],
-            "version": "==2.7.3"
+            "version": "==2.8.0"
+        },
+        "pytz": {
+            "hashes": [
+                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
+            ],
+            "version": "==2019.3"
         },
         "pyzmq": {
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-            "version": "==17.1.2"
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+                "sha256:cf0765822e78cf9e45451647a346d443f66792aba906bc340f4e0ac7870c169c",
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+                "sha256:dd5995ae2e80044e33b5077fb4bc2b0c1788ac6feaf15a6b87a00c14b4bdd682",
+                "sha256:e03fe5e07e70f245dc9013a9d48ae8cc4b10c33a1968039c5a3b64b5d01d083d",
+                "sha256:ea09a306144dff2795e48439883349819bef2c53c0ee62a3c2fae429451843bb",
+                "sha256:f4e37f33da282c3c319849877e34f97f0a3acec09622ec61b7333205bdd13b52",
+                "sha256:fa4bad0d1d173dee3e8ef3c3eb6b2bb6c723fc7a661eeecc1ecb2fa99860dd45"
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         "qtconsole": {
             "hashes": [
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-                "sha256:7870b19e6a6b0ab3acc09ee65463c0ca7568b3a01a6902d7c4e1ed2c4fc4e176"
+                "sha256:40d5d8e00d070ea266dbf6f0da74c4b9597b8b8d67cd8233c3ffd8debf923703",
+                "sha256:b91e7412587e6cfe1644696538f73baf5611e837be5406633218443b2827c6d9"
             ],
-            "version": "==4.4.1"
+            "version": "==4.5.5"
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         "requests": {
             "hashes": [
@@ -365,6 +458,50 @@
             "index": "pypi",
             "version": "==2.19.1"
         },
+        "scikit-learn": {
+            "hashes": [
+                "sha256:1ac81293d261747c25ea5a0ee8cd2bb1f3b5ba9ec05421a7f9f0feb4eb7c4116",
+                "sha256:289361cf003d90b007f5066b27fcddc2d71324c82f1c88e316fedacb0dfdd516",
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+                "sha256:777cdd5c077b7ca9cb381396c81990cf41d2fa8350760d3cad3b4c460a7db644",
+                "sha256:8bf2ff63da820d09b96b18e88f9625228457bff8df4618f6b087e12442ef9e15",
+                "sha256:8d319b71c449627d178f21c57614e21747e54bb3fc9602b6f42906c3931aa320",
+                "sha256:928050b65781fea9542dfe9bfe02d8c4f5530baa8472ec60782ea77347d2c836",
+                "sha256:92c903613ff50e22aa95d589f9fff5deb6f34e79f7f21f609680087f137bb524",
+                "sha256:ae322235def5ce8fae645b439e332e6f25d34bb90d6a6c8e261f17eb476457b7",
+                "sha256:c1cd6b29eb1fd1cc672ac5e4a8be5f6ea936d094a3dc659ada0746d6fac750b1",
+                "sha256:c41a6e2685d06bcdb0d26533af2540f54884d40db7e48baed6a5bcbf1a7cc642",
+                "sha256:d07fcb0c0acbc043faa0e7cf4d2037f71193de3fb04fb8ed5c259b089af1cf5c",
+                "sha256:d146d5443cda0a41f74276e42faf8c7f283fef49e8a853b832885239ef544e05",
+                "sha256:eb2b7bed0a26ba5ce3700e15938b28a4f4513578d3e54a2156c29df19ac5fd01",
+                "sha256:eb9b8ebf59eddd8b96366428238ab27d05a19e89c5516ce294abc35cea75d003"
+            ],
+            "index": "pypi",
+            "version": "==0.21.3"
+        },
+        "scipy": {
+            "hashes": [
+                "sha256:0baa64bf42592032f6f6445a07144e355ca876b177f47ad8d0612901c9375bef",
+                "sha256:243b04730d7223d2b844bda9500310eecc9eda0cba9ceaf0cde1839f8287dfa8",
+                "sha256:2643cfb46d97b7797d1dbdb6f3c23fe3402904e3c90e6facfe6a9b98d808c1b5",
+                "sha256:396eb4cdad421f846a1498299474f0a3752921229388f91f60dc3eda55a00488",
+                "sha256:3ae3692616975d3c10aca6d574d6b4ff95568768d4525f76222fb60f142075b9",
+                "sha256:435d19f80b4dcf67dc090cc04fde2c5c8a70b3372e64f6a9c58c5b806abfa5a8",
+                "sha256:46a5e55850cfe02332998b3aef481d33f1efee1960fe6cfee0202c7dd6fc21ab",
+                "sha256:75b513c462e58eeca82b22fc00f0d1875a37b12913eee9d979233349fce5c8b2",
+                "sha256:7ccfa44a08226825126c4ef0027aa46a38c928a10f0a8a8483c80dd9f9a0ad44",
+                "sha256:89dd6a6d329e3f693d1204d5562dd63af0fd7a17854ced17f9cbc37d5b853c8d",
+                "sha256:a81da2fe32f4eab8b60d56ad43e44d93d392da228a77e229e59b51508a00299c",
+                "sha256:a9d606d11eb2eec7ef893eb825017fbb6eef1e1d0b98a5b7fc11446ebeb2b9b1",
+                "sha256:ac37eb652248e2d7cbbfd89619dce5ecfd27d657e714ed049d82f19b162e8d45",
+                "sha256:cbc0611699e420774e945f6a4e2830f7ca2b3ee3483fca1aa659100049487dd5",
+                "sha256:d02d813ec9958ed63b390ded463163685af6025cb2e9a226ec2c477df90c6957",
+                "sha256:dd3b52e00f93fd1c86f2d78243dfb0d02743c94dd1d34ffea10055438e63b99d"
+            ],
+            "index": "pypi",
+            "version": "==1.3.1"
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         "send2trash": {
             "hashes": [
                 "sha256:60001cc07d707fe247c94f74ca6ac0d3255aabcb930529690897ca2a39db28b2",
@@ -372,18 +509,12 @@
             ],
             "version": "==1.5.0"
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-        "simplegeneric": {
-            "hashes": [
-                "sha256:dc972e06094b9af5b855b3df4a646395e43d1c9d0d39ed345b7393560d0b9173"
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-            "version": "==0.8.1"
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         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
             ],
-            "version": "==1.11.0"
+            "version": "==1.12.0"
         },
         "stop-words": {
             "hashes": [
@@ -394,10 +525,10 @@
         },
         "terminado": {
             "hashes": [
-                "sha256:55abf9ade563b8f9be1f34e4233c7b7bde726059947a593322e8a553cc4c067a",
-                "sha256:65011551baff97f5414c67018e908110693143cfbaeb16831b743fe7cad8b927"
+                "sha256:d9d012de63acb8223ac969c17c3043337c2fcfd28f3aea1ee429b345d01ef460",
+                "sha256:de08e141f83c3a0798b050ecb097ab6259c3f0331b2f7b7750c9075ced2c20c2"
             ],
-            "version": "==0.8.1"
+            "version": "==0.8.2"
         },
         "testpath": {
             "hashes": [
@@ -416,22 +547,22 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:0662d28b1ca9f67108c7e3b77afabfb9c7e87bde174fbda78186ecedc2499a9d",
-                "sha256:4e5158d97583502a7e2739951553cbd88a72076f152b4b11b64b9a10c4c49409",
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-                "sha256:8e9d728c4579682e837c92fdd98036bd5cdefa1da2aaf6acf26947e6dd0c01c5",
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-                "sha256:e5f2585afccbff22390cddac29849df463b252b711aa2ce7c5f3f342a5b3b444"
+                "sha256:349884248c36801afa19e342a77cc4458caca694b0eda633f5878e458a44cb2c",
+                "sha256:398e0d35e086ba38a0427c3b37f4337327231942e731edaa6e9fd1865bbd6f60",
+                "sha256:4e73ef678b1a859f0cb29e1d895526a20ea64b5ffd510a2307b5998c7df24281",
+                "sha256:559bce3d31484b665259f50cd94c5c28b961b09315ccd838f284687245f416e5",
+                "sha256:abbe53a39734ef4aba061fca54e30c6b4639d3e1f59653f0da37a0003de148c7",
+                "sha256:c845db36ba616912074c5b1ee897f8e0124df269468f25e4fe21fe72f6edd7a9",
+                "sha256:c9399267c926a4e7c418baa5cbe91c7d1cf362d505a1ef898fde44a07c9dd8a5"
             ],
-            "version": "==5.1.1"
+            "version": "==6.0.3"
         },
         "traitlets": {
             "hashes": [
-                "sha256:9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835",
-                "sha256:c6cb5e6f57c5a9bdaa40fa71ce7b4af30298fbab9ece9815b5d995ab6217c7d9"
+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
+                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
             ],
-            "version": "==4.3.2"
+            "version": "==4.3.3"
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         "urllib3": {
             "hashes": [
@@ -456,10 +587,17 @@
         },
         "widgetsnbextension": {
             "hashes": [
-                "sha256:14b2c65f9940c9a7d3b70adbe713dbd38b5ec69724eebaba034d1036cf3d4740",
-                "sha256:fa618be8435447a017fd1bf2c7ae922d0428056cfc7449f7a8641edf76b48265"
+                "sha256:079f87d87270bce047512400efd70238820751a11d2d8cb137a5a5bdbaf255c7",
+                "sha256:bd314f8ceb488571a5ffea6cc5b9fc6cba0adaf88a9d2386b93a489751938bcd"
             ],
-            "version": "==3.4.2"
+            "version": "==3.5.1"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
+                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
+            ],
+            "version": "==0.6.0"
         }
     },
     "develop": {}