diff --git a/Pipfile.lock b/Pipfile.lock
index 8b1aed8..25f0160 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,33 +18,34 @@
     "default": {
         "numpy": {
             "hashes": [
-                "sha256:2428b109306075d89d21135bdd6b785f132a1f5a3260c371cee1fae427e12727",
-                "sha256:377751954da04d4a6950191b20539066b4e19e3b559d4695399c5e8e3e683bf6",
-                "sha256:4703b9e937df83f5b6b7447ca5912b5f5f297aba45f91dbbbc63ff9278c7aa98",
-                "sha256:471c0571d0895c68da309dacee4e95a0811d0a9f9f532a48dc1bea5f3b7ad2b7",
-                "sha256:61d5b4cf73622e4d0c6b83408a16631b670fc045afd6540679aa35591a17fe6d",
-                "sha256:6c915ee7dba1071554e70a3664a839fbc033e1d6528199d4621eeaaa5487ccd2",
-                "sha256:6e51e417d9ae2e7848314994e6fc3832c9d426abce9328cf7571eefceb43e6c9",
-                "sha256:719656636c48be22c23641859ff2419b27b6bdf844b36a2447cb39caceb00935",
-                "sha256:780ae5284cb770ade51d4b4a7dce4faa554eb1d88a56d0e8b9f35fca9b0270ff",
-                "sha256:878922bf5ad7550aa044aa9301d417e2d3ae50f0f577de92051d739ac6096cee",
-                "sha256:924dc3f83de20437de95a73516f36e09918e9c9c18d5eac520062c49191025fb",
-                "sha256:97ce8b8ace7d3b9288d88177e66ee75480fb79b9cf745e91ecfe65d91a856042",
-                "sha256:9c0fab855ae790ca74b27e55240fe4f2a36a364a3f1ebcfd1fb5ac4088f1cec3",
-                "sha256:9cab23439eb1ebfed1aaec9cd42b7dc50fc96d5cd3147da348d9161f0501ada5",
-                "sha256:a8e6859913ec8eeef3dbe9aed3bf475347642d1cdd6217c30f28dee8903528e6",
-                "sha256:aa046527c04688af680217fffac61eec2350ef3f3d7320c07fd33f5c6e7b4d5f",
-                "sha256:abc81829c4039e7e4c30f7897938fa5d4916a09c2c7eb9b244b7a35ddc9656f4",
-                "sha256:bad70051de2c50b1a6259a6df1daaafe8c480ca98132da98976d8591c412e737",
-                "sha256:c73a7975d77f15f7f68dacfb2bca3d3f479f158313642e8ea9058eea06637931",
-                "sha256:d15007f857d6995db15195217afdbddfcd203dfaa0ba6878a2f580eaf810ecd6",
-                "sha256:d76061ae5cab49b83a8cf3feacefc2053fac672728802ac137dd8c4123397677",
-                "sha256:e8e4fbbb7e7634f263c5b0150a629342cc19b47c5eba8d1cd4363ab3455ab576",
-                "sha256:e9459f40244bb02b2f14f6af0cd0732791d72232bbb0dc4bab57ef88e75f6935",
-                "sha256:edb1f041a9146dcf02cd7df7187db46ab524b9af2515f392f337c7cbbf5b52cd"
-            ],
-            "markers": "python_version >= '3.7'",
-            "version": "==1.20.2"
+                "sha256:068cfc78963ce8b9dd2dc7ad1f2d5ebebc47e10103ea0166074e6bd31e78aeb8",
+                "sha256:17f3ac57e19740f1c064c284ad361148be245fabbd6390bec3ffa814fb287fd6",
+                "sha256:19e076e4d9b66fd63477e907ed2a4c6662bbcd5a74b2cf50a9b0753afb4ee167",
+                "sha256:234fc98750ada00204ebf3acd94baea213c6f9f0ff6b097d06952f734f67e58a",
+                "sha256:305aff30d8976eccf14751a1095dac0e60e0c071f1fb82e6c53948fc5b6b346c",
+                "sha256:35180d82f457f0857963a486c16bd472582f217827c839dcb3a3de298b532f11",
+                "sha256:438129e0d1dd03d235ae25c45b5621888d699935cf5b813d08a0bb2e7221c9d4",
+                "sha256:4796c196faa5f5418ce9a8ee0e993c925755e505778e32442263422c4fe88013",
+                "sha256:4c6395cc3eefdd1c9ede1c84ad8e728edfc97ea506b04b9600d4cb61c7b80cb4",
+                "sha256:56d67935694d9270e0a9bcfd6b9169f81ef2c2e5e154acd57ac7afe2d48d7b29",
+                "sha256:57410c33aef7b3fd4ef2e5f09f1c084a21021055c74034748b8d2957a72dad01",
+                "sha256:63b3d66f5610c61d3d1b47687b99584fdf7734192344814d80f2670e0c7b05ef",
+                "sha256:6ed13704d67934d458abeaacd96079bb8ae5f0ea000765777449e94288590097",
+                "sha256:723fff54844d9c1e01703ed2bc177f892fd89530b7671e8191a639d799cd75b7",
+                "sha256:7ada705e3e9364f874c41fc370c23247f4c1466888dfd61ac5ec9277524928c2",
+                "sha256:80929da75a678433dcc8c79db94eb373408778d17fe9b49c4521501a5923a3e2",
+                "sha256:8b92d27414779f568484c4a0aeddbff8e1fa9d9403cff122161fa25bc94e7f44",
+                "sha256:97faf00577c74a4f4b6304c1b7f6223fb0825d1a7cfaad5601cbeadd8282cd70",
+                "sha256:9abfe8ef4f8898d0448de735a3270de466553b61de8e6ddc31fc8770003fdfa4",
+                "sha256:a1c3737f659085eeaab83e016569368157d8d46d6a3be317c864dadd3c28fa42",
+                "sha256:a3a480ac4077c868124427456c6a64dcb7da12817bd3e770006980a4fd0d2526",
+                "sha256:b58c8c1ea4b80a5cbc756a11e446eec16088ebd9e080e71a64c458f6c07cb3c7",
+                "sha256:da0797286c299c426e5b6cf03ca9e1dab0dace161b64d7a1879c4d15eb12ceba",
+                "sha256:dcc194082d94c45fe8a005861cdce6ec33b51c1dccf2a7e6044b33038b82f579",
+                "sha256:f5e7cd7068df4aa803be68edc7c6fc5e3ed934d53a7ab1f21539fb5925e0172e",
+                "sha256:ff442e4fe6e66019b2070352e0cd6e7dde994ff1267d45343b587ed621e4ec47"
+            ],
+            "version": "==1.21.0rc1"
         },
         "pandas": {
             "hashes": [
@@ -73,7 +74,6 @@
                 "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
                 "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.8.1"
         },
         "pytz": {
@@ -110,11 +110,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
-                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.15.0"
+            "version": "==1.16.0"
         }
     },
     "develop": {
@@ -135,11 +134,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.3.0"
+            "version": "==21.2.0"
         },
         "black": {
             "hashes": [
@@ -153,7 +151,6 @@
                 "sha256:37f927ea17cde7ae2d7baf832f8e80ce3777624554a653006c9144f8017fe410",
                 "sha256:762cb2bfad61f4ec8e2bdf452c7c267416f8c70dd9ecb1653fd0bbb01fa936e6"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.0.1"
         },
         "bumpversion": {
@@ -174,101 +171,96 @@
         },
         "certifi": {
             "hashes": [
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-                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2020.12.5"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
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-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==4.0.0"
         },
         "click": {
             "hashes": [
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-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==7.1.2"
+            "version": "==8.0.1"
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         "codecov": {
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             "index": "pypi",
             "version": "==2.1.11"
         },
         "coverage": {
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@@ -299,14 +291,12 @@
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@@ -314,16 +304,15 @@
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@@ -345,7 +334,6 @@
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@@ -353,7 +341,6 @@
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@@ -377,7 +364,6 @@
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@@ -465,7 +450,6 @@
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@@ -529,17 +512,16 @@
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@@ -551,18 +533,16 @@
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@@ -607,11 +584,10 @@
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@@ -642,7 +618,6 @@
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@@ -677,7 +652,6 @@
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@@ -731,16 +705,14 @@
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@@ -754,7 +726,6 @@
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@@ -801,16 +772,14 @@
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@@ -849,27 +818,26 @@
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@@ -877,7 +845,6 @@
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