diff --git a/Pipfile.lock b/Pipfile.lock
index e27af5a..e16f54c 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -16,13 +16,21 @@
         ]
     },
     "default": {
+        "backports.functools-lru-cache": {
+            "hashes": [
+                "sha256:d5ed2169378b67d3c545e5600d363a923b09c456dab1593914935a68ad478271",
+                "sha256:dbead04b9daa817909ec64e8d2855fb78feafe0b901d4568758e3a60559d8978"
+            ],
+            "markers": "python_version < '3'",
+            "version": "==1.6.4"
+        },
         "beautifulsoup4": {
             "hashes": [
-                "sha256:194ec62a25438adcb3fdb06378b26559eda1ea8a747367d34c33cef9c7f48d57",
-                "sha256:90f8e61121d6ae58362ce3bed8cd997efb00c914eae0ff3d363c32f9a9822d10",
-                "sha256:f0abd31228055d698bb392a826528ea08ebb9959e6bea17c606fd9c9009db938"
+                "sha256:4c98143716ef1cb40bf7f39a8e3eec8f8b009509e74904ba3a7b315431577e35",
+                "sha256:84729e322ad1d5b4d25f805bfa05b902dd96450f43842c4e99067d5e1369eb25",
+                "sha256:fff47e031e34ec82bf17e00da8f592fe7de69aeea38be00523c04623c04fb666"
             ],
-            "version": "==4.6.3"
+            "version": "==4.9.3"
         },
         "google": {
             "hashes": [
@@ -31,6 +39,13 @@
             "index": "pypi",
             "version": "==2.0.1"
         },
+        "joblib": {
+            "hashes": [
+                "sha256:0630eea4f5664c463f23fbf5dcfc54a2bc6168902719fa8e19daf033022786c8",
+                "sha256:bdb4fd9b72915ffb49fde2229ce482dd7ae79d842ed8c2b4c932441495af1403"
+            ],
+            "version": "==0.14.1"
+        },
         "nltk": {
             "hashes": [
                 "sha256:fe0eda251be65843be86d7de9abfbf7161732256f742e623b21243ec47bdb718"
@@ -74,36 +89,23 @@
         },
         "scikit-learn": {
             "hashes": [
-                "sha256:1ca280bbdeb0f9950f9427c71e29d9f14e63b2ffa3e8fdf95f25e13773e6d898",
-                "sha256:33ad23aa0928c64567a24aac771aea4e179fab2a20f9f786ab00ca9fe0a13c82",
-                "sha256:344bc433ccbfbadcac8c16b4cec9d7c4722bcea9ce19f6da42e2c2f805571941",
-                "sha256:35ee532b5e992a6e8d8a71d325fd9e0b58716894657e7d3da3e7a1d888c2e7d4",
-                "sha256:37cbbba2d2a3895bba834d50488d22268a511279e053135bb291f637fe30512b",
-                "sha256:40cf1908ee712545f4286cc21f3ee21f3466c81438320204725ab37c96849f27",
-                "sha256:4130760ac54f5946523c1a1fb32a6c0925e5245f77285270a8f6fb5901b7b733",
-                "sha256:46cc8c32496f02affde7abe507af99cd752de0e41aec951a0bc40c693c2a1e07",
-                "sha256:4a364cf22be381a17c05ada9f9ce102733a0f75893c51b83718cd9358444921e",
-                "sha256:56aff3fa3417cd69807c1c74db69aee34ce08d7161cbdfebbff9b4023d9d224b",
-                "sha256:58debb34a15cfc03f4876e450068dbd711d9ec36ae5503ed2868f2c1f88522f7",
-                "sha256:7bcf7ade62ef3443470af32afb82646640d653f42502cf31a13cc17d3ff85d57",
-                "sha256:7d4eab203ed260075f47e2bf6a2bd656367e4e8683b3ad46d4651070c5d1e9aa",
-                "sha256:86697c6e4c2d74fbbf110c6d5979d34196a55108fa9896bf424f9795a8d935ad",
-                "sha256:911115db6669c9b11efd502dcc5483cd0c53e4e3c4bcdfe2e73bbb27eb5e81da",
-                "sha256:97d1d971f8ec257011e64b7d655df68081dd3097322690afa1a71a1d755f8c18",
-                "sha256:99f22c3228ec9ab3933597825dc7d595b6c8c7b9ae725cfa557f16353fac8314",
-                "sha256:a2e18e5a4095b3ca4852eb087d28335f3bb8515df4ccf906d380ee627613837f",
-                "sha256:a3070f71a4479a9827148609f24f2978f10acffa3b8012fe9606720d271066bd",
-                "sha256:a6a197499429d2eaa2ae922760aa3966ef353545422d5f47ea2ca9369cbf7d26",
-                "sha256:a7f6f5b3bc7b8e2066076098788579af12bd507ccea8ca6859e52761aa61eaca",
-                "sha256:a82b90b6037fcc6b311431395c11b02555a3fbf96921a0667c8f8b0c495991cb",
-                "sha256:ab2c4266b8cd159a266eb03c709ad5400756dca9c45aa48fb523263344475093",
-                "sha256:b983a2dfdb9d707c78790608bcfd63692e5c2d996865a9689f3db768d0a2978d",
-                "sha256:bb33d447f4c6fb164d426467d7bf8a4901c303333c5809b85319b2e0626763cd",
-                "sha256:bc2a0116a67081167f1fbfed731d361671e5925db291b70e65fa66170045c53f",
-                "sha256:bd189f6d0c2fdccb7c0d3fd1227c6626dc17d00257edbb63dd7c88f31928db61",
-                "sha256:d393f810da9cd4746cad7350fb89f0509c3ae702c79d2ba8bd875201be4102d1"
+                "sha256:1a6e69128d1fe413a5722404756c62aac21d2f8a523beb57912afffc3640a75f",
+                "sha256:2244785eb38f81c4c640d6e46594d950a92f6cc14351ba4926ed9351e6c16e3a",
+                "sha256:2ae8b0e40fb044844b02af9d348bc1a2254b3f7b94151cc197536e1211b9280b",
+                "sha256:4e39608650180d879b17fd7b47b1311f06a45630a8568173c1a22233b2dbbc73",
+                "sha256:5fc9a555752185e5698cfadfbedf75eae89887c2a8fc842d3976a2251ca53f49",
+                "sha256:615e2e953cae5b99530d0fc46c0227101956c7f33a99f78f237aba92f2a571b7",
+                "sha256:7afd99f1fa3daa67ecef97466b38b607bc6b7f611980687b444889a64ab55bff",
+                "sha256:8447c5da132a0912679ec4e589547e83c42dc7979df2b1fd042c7638dcd002d5",
+                "sha256:8ff36dc5e0488f345a65ad514a6d9026bf1ec509f66d09d605acfdb61e8fbefa",
+                "sha256:9a637d61645f9319caf6a9659b37c3e66110465e4455085fba804dfabc121518",
+                "sha256:ad1f354246148f7d054602704b6eb9b8437c09614629562789dce8ae808a63cb",
+                "sha256:d2beb434bc8c5970372f391ced4480eb01ed46ac36d99684ec5da27500de50bc",
+                "sha256:d46ce509c5be72bf15bdfc1faead1df681fa1cb0aa13468d53964941cd80add4",
+                "sha256:e6e46f5c0bf8a5666aa2656b9bbd630a07b3607bece116baccb548c8331dd9e0",
+                "sha256:f0ca67c81bf9abf65b5e8990854739b61d8f9d5d6c8e0b7477524dbbf03cb435"
             ],
-            "version": "==0.20.0"
+            "version": "==0.21.0"
         },
         "scipy": {
             "hashes": [
@@ -149,10 +151,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.11.0"
+            "version": "==1.16.0"
         },
         "sklearn": {
             "hashes": [
@@ -161,12 +163,21 @@
             "index": "pypi",
             "version": "==0.0"
         },
+        "soupsieve": {
+            "hashes": [
+                "sha256:7985bacc98c34923a439967c1a602dc4f1e15f923b6fcf02344184f86cc7efaa",
+                "sha256:feb1e937fa26a69e08436aad4a9037cd7e1d4c7212909502ba30701247ff8abd"
+            ],
+            "markers": "python_version < '3.0'",
+            "version": "==1.9.6"
+        },
         "urllib3": {
             "hashes": [
-                "sha256:41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae",
-                "sha256:8819bba37a02d143296a4d032373c4dd4aca11f6d4c9973335ca75f9c8475f59"
+                "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
+                "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
-            "version": "==1.24"
+            "index": "pypi",
+            "version": "==1.26.5"
         }
     },
     "develop": {}