diff --git a/Pipfile.lock b/Pipfile.lock
index f3f73bf..89727d5 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -20,91 +20,78 @@
         },
         "numpy": {
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-                "sha256:cf5bb4a7d53a71bb6a0144d31df784a973b36d8687d615ef6a7e9b1809917a9b",
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-            "version": "==2.7.5"
+            "version": "==2.8.1"
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         "pytz": {
             "hashes": [
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-            "version": "==2018.7"
+            "version": "==2019.3"
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         "six": {
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-            "version": "==1.12.0"
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         "tabulate": {
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+            "version": "==0.8.7"
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     "develop": {
@@ -117,77 +104,72 @@
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@@ -238,108 +220,111 @@
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@@ -369,45 +354,36 @@
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@@ -418,78 +394,68 @@
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@@ -501,57 +467,56 @@
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-                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
+                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
+                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
             ],
-            "markers": "python_version != '3.1.*' and python_version >= '2.6' and python_version != '3.0.*'",
-            "version": "==1.12.0"
+            "version": "==1.14.0"
         },
         "snowballstemmer": {
             "hashes": [
-                "sha256:919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128",
-                "sha256:9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89"
+                "sha256:209f257d7533fdb3cb73bdbd24f436239ca3b2fa67d56f6ff88e86be08cc5ef0",
+                "sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52"
             ],
-            "version": "==1.2.1"
+            "version": "==2.0.0"
         },
         "sphinx": {
             "hashes": [
@@ -563,19 +528,17 @@
         },
         "sphinxcontrib-websupport": {
             "hashes": [
-                "sha256:68ca7ff70785cbe1e7bccc71a48b5b6d965d79ca50629606c7861a21b206d9dd",
-                "sha256:9de47f375baf1ea07cdb3436ff39d7a9c76042c10a769c52353ec46e4e8fc3b9"
+                "sha256:545f5da4bd7757e82b8a23ce3af9500c6ffeedbcb13429fca436ad1e80bd10cf",
+                "sha256:69364896eae5d1145d82b6ee09f66d597099ef8069615e2888921ec48005470f"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.3.*' and python_version != '3.2.*'",
-            "version": "==1.1.0"
+            "version": "==1.2.1"
         },
         "tqdm": {
             "hashes": [
-                "sha256:3c4d4a5a41ef162dd61f1edb86b0e1c7859054ab656b2e7c7b77e7fbf6d9f392",
-                "sha256:5b4d5549984503050883bc126280b386f5f4ca87e6c023c5d015655ad75bdebb"
+                "sha256:03d2366c64d44c7f61e74c700d9b202d57e9efe355ea5c28814c52bfe7a50b8c",
+                "sha256:be5ddeec77d78ba781ea41eacb2358a77f74cc2407f54b82222d7ee7dc8c8ccf"
             ],
-            "markers": "python_version >= '2.6' and python_version != '3.1.*' and python_version != '3.0.*'",
-            "version": "==4.28.1"
+            "version": "==4.44.1"
         },
         "twine": {
             "hashes": [
@@ -587,11 +550,10 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
-                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
+                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
+                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
             ],
-            "markers": "python_version < '4' and python_version != '3.1.*' and python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.2.*' and python_version >= '2.6'",
-            "version": "==1.23"
+            "version": "==1.25.8"
         },
         "webencodings": {
             "hashes": [