diff --git a/Pipfile.lock b/Pipfile.lock
index ee72369..a69ad46 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,19 +3,6 @@
         "hash": {
             "sha256": "bdff55965f0e3fa7b2a9b0e9df281f33860d2ae44891a2916d0ae6ce1d8c4a19"
         },
-        "host-environment-markers": {
-            "implementation_name": "cpython",
-            "implementation_version": "3.6.5",
-            "os_name": "posix",
-            "platform_machine": "x86_64",
-            "platform_python_implementation": "CPython",
-            "platform_release": "4.15.0-36-generic",
-            "platform_system": "Linux",
-            "platform_version": "#39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018",
-            "python_full_version": "3.6.5",
-            "python_version": "3.6",
-            "sys_platform": "linux"
-        },
         "pipfile-spec": 6,
         "requires": {
             "python_version": "3.6"
@@ -31,15 +18,15 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
-                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.10.15"
+            "version": "==2019.3.9"
         },
         "chardet": {
             "hashes": [
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691",
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
             ],
             "version": "==3.0.4"
         },
@@ -52,52 +39,55 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:fa39ea60d527fbdd94215b5e5552f1c6a912624521093f1384a491a8ad89ad8b",
-                "sha256:ae07fa0c115733fce1e9da96a3ac3fa24801742ca17e917e0c79d63a01eeb843",
-                "sha256:caf0e50b546bb60dfa99bb18dfa6748458a83131ecdceaf5c071d74907e7e78a",
-                "sha256:abf181934ac3ef193832fb973fd7f6149b5c531903c2ec0f1220941d73eee601",
-                "sha256:62939a8bb6758d1bf923aa1c13f0bcfa9bf5b2fc0f5fa917a6e25db5fe0cfa4e",
-                "sha256:4815892904c336bbaf73dafd54f45f69f4021c22b5bad7332176bbf4fb830568",
-                "sha256:81992565b74332c7c1aff6a913a3e906771aa81c9d0c68c68113cffcae45bc53",
                 "sha256:02bc220d61f46e9b9d5a53c361ef95e9f5e1d27171cd461dddb17677ae2289a5",
-                "sha256:bccb267678b870d9782c3b44d0cefe3ba0e329f9af8c946d32bf3778e7a4f271",
-                "sha256:2f31145c7ff665b330919bfa44aacd3a0211a76ca7e7b441039d2a0b0451e415",
-                "sha256:aab09fbe8abfa3b9ce62aaf45aca2d28726b1b9ee44871dbe644050a2fff4940",
-                "sha256:b9c78242219f674ab645ec571c9a95d70f381319a23911941cd2358a8e0521cf",
-                "sha256:a623965c086a6e91bb703d4da62dabe59fe88888e82c4117d544e11fd74835d6",
-                "sha256:9d862e3cf4fc1f2837dedce9c42269c8c76d027e49820a548ac89fdcee1e361f",
-                "sha256:5be031b0f15ad63910d8e5038b489d95a79929513b3634ad4babf77100602588",
-                "sha256:75830c06a62fe7b8fe3bbb5f269f0b308f19f3949ac81cfd40062f47c1455faf",
-                "sha256:a7783ab7f6a508b0510490cef9f857b763d796ba7476d9703f89722928d1e113",
-                "sha256:e16e07a0ec3a75b5ee61f2b1003c35696738f937dc8148fbda9fe2147ccb6e61",
-                "sha256:438a1b0203545521f6616132bfe0f4bca86f8a401364008b30e2b26ec408ce85",
-                "sha256:8c892fb0ee52c594d9a7751c7d7356056a9682674b92cc1c4dc968ff0f30c52f",
-                "sha256:c4df4d27f4c93b2cef74579f00b1d3a31a929c7d8023f870c4b476f03a274db4",
                 "sha256:22f253b542a342755f6cfc047fe4d3a296515cf9b542bc6e261af45a80b8caf6",
+                "sha256:2f31145c7ff665b330919bfa44aacd3a0211a76ca7e7b441039d2a0b0451e415",
+                "sha256:36720698c29e7a9626a0dc802ef8885f8f0239bfd1689628ecd459a061f2807f",
+                "sha256:438a1b0203545521f6616132bfe0f4bca86f8a401364008b30e2b26ec408ce85",
+                "sha256:4815892904c336bbaf73dafd54f45f69f4021c22b5bad7332176bbf4fb830568",
+                "sha256:5be031b0f15ad63910d8e5038b489d95a79929513b3634ad4babf77100602588",
+                "sha256:5c93ae37c3c588e829b037fdfbd64a6e40c901d3f93f7beed6d724c44829a3ad",
+                "sha256:60842230678674cdac4a1cf0f707ef12d75b9a4fc4a565add4f710b5fcf185d5",
+                "sha256:62939a8bb6758d1bf923aa1c13f0bcfa9bf5b2fc0f5fa917a6e25db5fe0cfa4e",
+                "sha256:75830c06a62fe7b8fe3bbb5f269f0b308f19f3949ac81cfd40062f47c1455faf",
+                "sha256:81992565b74332c7c1aff6a913a3e906771aa81c9d0c68c68113cffcae45bc53",
+                "sha256:8c892fb0ee52c594d9a7751c7d7356056a9682674b92cc1c4dc968ff0f30c52f",
+                "sha256:9d862e3cf4fc1f2837dedce9c42269c8c76d027e49820a548ac89fdcee1e361f",
+                "sha256:a623965c086a6e91bb703d4da62dabe59fe88888e82c4117d544e11fd74835d6",
+                "sha256:a7783ab7f6a508b0510490cef9f857b763d796ba7476d9703f89722928d1e113",
+                "sha256:aab09fbe8abfa3b9ce62aaf45aca2d28726b1b9ee44871dbe644050a2fff4940",
+                "sha256:abf181934ac3ef193832fb973fd7f6149b5c531903c2ec0f1220941d73eee601",
+                "sha256:ae07fa0c115733fce1e9da96a3ac3fa24801742ca17e917e0c79d63a01eeb843",
+                "sha256:b9c78242219f674ab645ec571c9a95d70f381319a23911941cd2358a8e0521cf",
+                "sha256:bccb267678b870d9782c3b44d0cefe3ba0e329f9af8c946d32bf3778e7a4f271",
+                "sha256:c4df4d27f4c93b2cef74579f00b1d3a31a929c7d8023f870c4b476f03a274db4",
+                "sha256:caf0e50b546bb60dfa99bb18dfa6748458a83131ecdceaf5c071d74907e7e78a",
+                "sha256:d3266bd3ac59ac4edcd5fa75165dee80b94a3e5c91049df5f7c057ccf097551c",
+                "sha256:db0d213987bcd4e6d41710fb4532b22315b0d8fb439ff901782234456556aed1",
+                "sha256:dbbd5cf7690a40a9f0a9325ab480d0fccf46d16b378eefc08e195d84299bfae1",
+                "sha256:e16e07a0ec3a75b5ee61f2b1003c35696738f937dc8148fbda9fe2147ccb6e61",
                 "sha256:e175a006725c7faadbe69e791877d09936c0ef2cf49d01b60a6c1efcb0e8be6f",
                 "sha256:edd9c13a97f6550f9da2236126bb51c092b3b1ce6187f2bd966533ad794bbb5e",
-                "sha256:dbbd5cf7690a40a9f0a9325ab480d0fccf46d16b378eefc08e195d84299bfae1",
-                "sha256:db0d213987bcd4e6d41710fb4532b22315b0d8fb439ff901782234456556aed1",
-                "sha256:60842230678674cdac4a1cf0f707ef12d75b9a4fc4a565add4f710b5fcf185d5",
-                "sha256:5c93ae37c3c588e829b037fdfbd64a6e40c901d3f93f7beed6d724c44829a3ad",
-                "sha256:d3266bd3ac59ac4edcd5fa75165dee80b94a3e5c91049df5f7c057ccf097551c",
-                "sha256:36720698c29e7a9626a0dc802ef8885f8f0239bfd1689628ecd459a061f2807f"
+                "sha256:fa39ea60d527fbdd94215b5e5552f1c6a912624521093f1384a491a8ad89ad8b"
             ],
+            "index": "pypi",
             "version": "==4.2.5"
         },
         "requests": {
             "hashes": [
-                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279",
-                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c"
+                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
+                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
             ],
+            "index": "pypi",
             "version": "==2.20.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:8819bba37a02d143296a4d032373c4dd4aca11f6d4c9973335ca75f9c8475f59",
-                "sha256:41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae"
+                "sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0",
+                "sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3"
             ],
-            "version": "==1.24"
+            "index": "pypi",
+            "version": "==1.24.2"
         }
     },
     "develop": {}