diff --git a/Pipfile.lock b/Pipfile.lock
index f28c6bc..af0957b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,19 +3,6 @@
         "hash": {
             "sha256": "23b456854aa749d552c0d55d87c69a3fd02fd53abb36cca2674edbcff3991e97"
         },
-        "host-environment-markers": {
-            "implementation_name": "cpython",
-            "implementation_version": "3.6.4",
-            "os_name": "posix",
-            "platform_machine": "x86_64",
-            "platform_python_implementation": "CPython",
-            "platform_release": "4.14.14-300.fc27.x86_64",
-            "platform_system": "Linux",
-            "platform_version": "#1 SMP Fri Jan 19 13:19:54 UTC 2018",
-            "python_full_version": "3.6.4",
-            "python_version": "3.6",
-            "sys_platform": "linux"
-        },
         "pipfile-spec": 6,
         "requires": {
             "python_version": "3.6"
@@ -31,10 +18,10 @@
     "default": {
         "alabaster": {
             "hashes": [
-                "sha256:2eef172f44e8d301d25aff8068fddd65f767a3f04b5f15b0f4922f113aa1c732",
-                "sha256:37cdcb9e9954ed60912ebc1ca12a9d12178c26637abdf124e3cde2341c257fe0"
+                "sha256:446438bdcca0e05bd45ea2de1668c1d9b032e1a9154c2c259092d77031ddd359",
+                "sha256:a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02"
             ],
-            "version": "==0.7.10"
+            "version": "==0.7.12"
         },
         "argh": {
             "hashes": [
@@ -45,127 +32,170 @@
         },
         "babel": {
             "hashes": [
-                "sha256:ad209a68d7162c4cff4b29cdebe3dec4cef75492df501b0049a9433c96ce6f80",
-                "sha256:8ce4cb6fdd4393edd323227cba3a077bceb2a6ce5201c902c65e730046f41f14"
+                "sha256:9d35c22fcc79893c3ecc85ac4a56cde1ecf3f19c540bba0922308a6c06ca6fa5",
+                "sha256:da031ab54472314f210b0adcff1588ee5d1d1d0ba4dbd07b94dba82bde791e05"
             ],
-            "version": "==2.5.3"
+            "version": "==2.9.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:14131608ad2fd56836d33a71ee60fa1c82bc9d2c8d98b7bdbc631fe1b3cd1296",
-                "sha256:edbc3f203427eef571f79a7692bb160a2b0f7ccaa31953e99bd17e307cf63f7d"
+                "sha256:1f422849db327d534e3d0c5f02a263458c3955ec0aae4ff09b95f195c59f4edd",
+                "sha256:f05def092c44fbf25834a51509ef6e631dc19765ab8a57b4e7ab85531f0a9cf4"
             ],
-            "version": "==2018.1.18"
+            "version": "==2020.11.8"
         },
         "chardet": {
             "hashes": [
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691",
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
             ],
             "version": "==3.0.4"
         },
         "docutils": {
             "hashes": [
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6",
-                "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274"
+                "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af",
+                "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"
             ],
-            "version": "==0.14"
+            "version": "==0.16"
         },
         "idna": {
             "hashes": [
-                "sha256:8c7309c718f94b3a625cb648ace320157ad16ff131ae0af362c9f21b80ef6ec4",
-                "sha256:2c6a5de3089009e3da7c5dde64a141dbc8551d5b7f6cf4ed7c2568d0cc520a8f"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.6"
+            "version": "==2.10"
         },
         "imagesize": {
             "hashes": [
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-                "sha256:0ab2c62b87987e3252f89d30b7cedbec12a01af9274af9ffa48108f2c13c6062"
+                "sha256:6965f19a6a2039c7d48bca7dba2473069ff854c36ae6f19d2cde309d998228a1",
+                "sha256:b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1"
             ],
-            "version": "==0.7.1"
+            "version": "==1.2.0"
         },
         "jinja2": {
             "hashes": [
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-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
+                "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"
             ],
-            "version": "==2.10"
+            "version": "==2.11.2"
         },
         "joblib": {
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-                "sha256:7b8fd56df36d9731a83729395ccb85a3b401f62a96255deb1a77220c00ed4085"
+                "sha256:7b8fd56df36d9731a83729395ccb85a3b401f62a96255deb1a77220c00ed4085",
+                "sha256:cf3420e27048c66916754472bc3a2d4717271103a4806f31f11707a3d82a991f"
             ],
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             "version": "==0.11"
         },
         "livereload": {
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-                "sha256:422de10d7ea9467a1ba27cbaffa84c74b809d96fb1598d9de4b9b676adf35e2c"
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             ],
-            "version": "==2.5.1"
+            "version": "==2.6.3"
         },
         "markupsafe": {
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-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
-            ],
-            "version": "==1.0"
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+                "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42",
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+                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
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+                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
+                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
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+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
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@@ -182,167 +212,296 @@
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@@ -353,338 +512,485 @@
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+                "sha256:e7229e60ac41a1202444497ddde70a48d33909e484f96eb0da9baf8dc68541df",
+                "sha256:ed3ad863b1b40cd1d4bd21e7498329ccaece75db5a5bf58cd3c9f130843e7102",
+                "sha256:f0ba29bafd8e7e22920567ce0d232c26d4d47c8b5cf4ed7b562b5db39fa199c5",
+                "sha256:fa2ba70284fa42c2a5ecb35e322e68823288a4251f9ba9cc77be04ae15eada68",
+                "sha256:fba85b6cd9c39be262fcd23865652920832b61583de2a2ca907dbd8e8a8c81e5"
+            ],
+            "version": "==6.1"
         },
         "traitlets": {
             "hashes": [
-                "sha256:c6cb5e6f57c5a9bdaa40fa71ce7b4af30298fbab9ece9815b5d995ab6217c7d9",
-                "sha256:9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835"
+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
+                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
             ],
-            "version": "==4.3.2"
+            "version": "==4.3.3"
         },
         "wcwidth": {
             "hashes": [
-                "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c",
-                "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e"
+                "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784",
+                "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"
             ],
-            "version": "==0.1.7"
+            "version": "==0.2.5"
         },
         "webencodings": {
             "hashes": [
@@ -695,10 +1001,17 @@
         },
         "widgetsnbextension": {
             "hashes": [
-                "sha256:2f65bb4f9e2fb2fc20c1b1a9e1abdd85f97a7088c28c5acb737a3435e48c88e1",
-                "sha256:02edabcaeaa247721df8027f660f3384c20f30c4865a7ea5dd80685c368736df"
+                "sha256:079f87d87270bce047512400efd70238820751a11d2d8cb137a5a5bdbaf255c7",
+                "sha256:bd314f8ceb488571a5ffea6cc5b9fc6cba0adaf88a9d2386b93a489751938bcd"
+            ],
+            "version": "==3.5.1"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:102c24ef8f171fd729d46599845e95c7ab894a4cf45f5de11a44cc7444fb1108",
+                "sha256:ed5eee1974372595f9e416cc7bbeeb12335201d8081ca8a0743c954d4446e5cb"
             ],
-            "version": "==3.1.3"
+            "version": "==3.4.0"
         }
     }
 }