diff --git a/Pipfile.lock b/Pipfile.lock
index fafa4c7..81ce429 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,34 +18,42 @@
     "default": {
         "numpy": {
             "hashes": [
-                "sha256:04c7d4ebc5ff93d9822075ddb1751ff392a4375e5885299445fcebf877f179d5",
-                "sha256:0bfd85053d1e9f60234f28f63d4a5147ada7f432943c113a11afcf3e65d9d4c8",
-                "sha256:0c66da1d202c52051625e55a249da35b31f65a81cb56e4c69af0dfb8fb0125bf",
-                "sha256:0d310730e1e793527065ad7dde736197b705d0e4c9999775f212b03c44a8484c",
-                "sha256:1669ec8e42f169ff715a904c9b2105b6640f3f2a4c4c2cb4920ae8b2785dac65",
-                "sha256:2117536e968abb7357d34d754e3733b0d7113d4c9f1d921f21a3d96dec5ff716",
-                "sha256:3733640466733441295b0d6d3dcbf8e1ffa7e897d4d82903169529fd3386919a",
-                "sha256:4339741994c775396e1a274dba3609c69ab0f16056c1077f18979bec2a2c2e6e",
-                "sha256:51ee93e1fac3fe08ef54ff1c7f329db64d8a9c5557e6c8e908be9497ac76374b",
-                "sha256:54045b198aebf41bf6bf4088012777c1d11703bf74461d70cd350c0af2182e45",
-                "sha256:58d66a6b3b55178a1f8a5fe98df26ace76260a70de694d99577ddeab7eaa9a9d",
-                "sha256:59f3d687faea7a4f7f93bd9665e5b102f32f3fa28514f15b126f099b7997203d",
-                "sha256:62139af94728d22350a571b7c82795b9d59be77fc162414ada6c8b6a10ef5d02",
-                "sha256:7118f0a9f2f617f921ec7d278d981244ba83c85eea197be7c5a4f84af80a9c3c",
-                "sha256:7c6646314291d8f5ea900a7ea9c4261f834b5b62159ba2abe3836f4fa6705526",
-                "sha256:967c92435f0b3ba37a4257c48b8715b76741410467e2bdb1097e8391fccfae15",
-                "sha256:9a3001248b9231ed73894c773142658bab914645261275f675d86c290c37f66d",
-                "sha256:aba1d5daf1144b956bc87ffb87966791f5e9f3e1f6fab3d7f581db1f5b598f7a",
-                "sha256:addaa551b298052c16885fc70408d3848d4e2e7352de4e7a1e13e691abc734c1",
-                "sha256:b594f76771bc7fc8a044c5ba303427ee67c17a09b36e1fa32bde82f5c419d17a",
-                "sha256:c35a01777f81e7333bcf276b605f39c872e28295441c265cd0c860f4b40148c1",
-                "sha256:cebd4f4e64cfe87f2039e4725781f6326a61f095bc77b3716502bed812b385a9",
-                "sha256:d526fa58ae4aead839161535d59ea9565863bb0b0bdb3cc63214613fb16aced4",
-                "sha256:d7ac33585e1f09e7345aa902c281bd777fdb792432d27fca857f39b70e5dd31c",
-                "sha256:e6ddbdc5113628f15de7e4911c02aed74a4ccff531842c583e5032f6e5a179bd",
-                "sha256:eb25c381d168daf351147713f49c626030dcff7a393d5caa62515d415a6071d8"
-            ],
-            "version": "==1.19.2"
+                "sha256:08308c38e44cc926bdfce99498b21eec1f848d24c302519e64203a8da99a97db",
+                "sha256:09c12096d843b90eafd01ea1b3307e78ddd47a55855ad402b157b6c4862197ce",
+                "sha256:13d166f77d6dc02c0a73c1101dd87fdf01339febec1030bd810dcd53fff3b0f1",
+                "sha256:141ec3a3300ab89c7f2b0775289954d193cc8edb621ea05f99db9cb181530512",
+                "sha256:16c1b388cc31a9baa06d91a19366fb99ddbe1c7b205293ed072211ee5bac1ed2",
+                "sha256:18bed2bcb39e3f758296584337966e68d2d5ba6aab7e038688ad53c8f889f757",
+                "sha256:1aeef46a13e51931c0b1cf8ae1168b4a55ecd282e6688fdb0a948cc5a1d5afb9",
+                "sha256:27d3f3b9e3406579a8af3a9f262f5339005dd25e0ecf3cf1559ff8a49ed5cbf2",
+                "sha256:2a2740aa9733d2e5b2dfb33639d98a64c3b0f24765fed86b0fd2aec07f6a0a08",
+                "sha256:4377e10b874e653fe96985c05feed2225c912e328c8a26541f7fc600fb9c637b",
+                "sha256:448ebb1b3bf64c0267d6b09a7cba26b5ae61b6d2dbabff7c91b660c7eccf2bdb",
+                "sha256:50e86c076611212ca62e5a59f518edafe0c0730f7d9195fec718da1a5c2bb1fc",
+                "sha256:5734bdc0342aba9dfc6f04920988140fb41234db42381cf7ccba64169f9fe7ac",
+                "sha256:64324f64f90a9e4ef732be0928be853eee378fd6a01be21a0a8469c4f2682c83",
+                "sha256:6ae6c680f3ebf1cf7ad1d7748868b39d9f900836df774c453c11c5440bc15b36",
+                "sha256:6d7593a705d662be5bfe24111af14763016765f43cb6923ed86223f965f52387",
+                "sha256:8cac8790a6b1ddf88640a9267ee67b1aee7a57dfa2d2dd33999d080bc8ee3a0f",
+                "sha256:8ece138c3a16db8c1ad38f52eb32be6086cc72f403150a79336eb2045723a1ad",
+                "sha256:9eeb7d1d04b117ac0d38719915ae169aa6b61fca227b0b7d198d43728f0c879c",
+                "sha256:a09f98011236a419ee3f49cedc9ef27d7a1651df07810ae430a6b06576e0b414",
+                "sha256:a5d897c14513590a85774180be713f692df6fa8ecf6483e561a6d47309566f37",
+                "sha256:ad6f2ff5b1989a4899bf89800a671d71b1612e5ff40866d1f4d8bcf48d4e5764",
+                "sha256:c42c4b73121caf0ed6cd795512c9c09c52a7287b04d105d112068c1736d7c753",
+                "sha256:cb1017eec5257e9ac6209ac172058c430e834d5d2bc21961dceeb79d111e5909",
+                "sha256:d6c7bb82883680e168b55b49c70af29b84b84abb161cbac2800e8fcb6f2109b6",
+                "sha256:e452dc66e08a4ce642a961f134814258a082832c78c90351b75c41ad16f79f63",
+                "sha256:e5b6ed0f0b42317050c88022349d994fe72bfe35f5908617512cd8c8ef9da2a9",
+                "sha256:e9b30d4bd69498fc0c3fe9db5f62fffbb06b8eb9321f92cc970f2969be5e3949",
+                "sha256:ec149b90019852266fec2341ce1db513b843e496d5a8e8cdb5ced1923a92faab",
+                "sha256:edb01671b3caae1ca00881686003d16c2209e07b7ef8b7639f1867852b948f7c",
+                "sha256:f0d3929fe88ee1c155129ecd82f981b8856c5d97bcb0d5f23e9b4242e79d1de3",
+                "sha256:f29454410db6ef8126c83bd3c968d143304633d45dc57b51252afbd79d700893",
+                "sha256:fe45becb4c2f72a0907c1d0246ea6449fe7a9e2293bb0e11c4e9a32bb0930a15",
+                "sha256:fedbd128668ead37f33917820b704784aff695e0019309ad446a6d0b065b57e4"
+            ],
+            "version": "==1.19.4"
         },
         "pandas": {
             "hashes": [
@@ -78,10 +86,10 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:3e6b7dd2d1e0a59084bcee14a17af60c5c562cdc16d828e8eba2e683d3a7e268",
+                "sha256:5c55e189b682d420be27c6995ba6edce0c0a77dd67bfbe2ae6607134d5851ffd"
             ],
-            "version": "==2020.1"
+            "version": "==2020.4"
         },
         "six": {
             "hashes": [
@@ -100,14 +108,6 @@
         }
     },
     "develop": {
-        "appnope": {
-            "hashes": [
-                "sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0",
-                "sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
-            ],
-            "markers": "platform_system == 'Darwin'",
-            "version": "==0.1.0"
-        },
         "argon2-cffi": {
             "hashes": [
                 "sha256:05a8ac07c7026542377e38389638a8a1e9b78f1cd8439cd7493b39f08dd75fbf",
@@ -119,13 +119,15 @@
                 "sha256:6ea92c980586931a816d61e4faf6c192b4abce89aa767ff6581e6ddc985ed003",
                 "sha256:77e909cc756ef81d6abb60524d259d959bab384832f0c651ed7dcb6e5ccdbb78",
                 "sha256:7d455c802727710e9dfa69b74ccaab04568386ca17b0ad36350b622cd34606fe",
+                "sha256:8a84934bd818e14a17943de8099d41160da4a336bcc699bb4c394bbb9b94bd32",
                 "sha256:9bee3212ba4f560af397b6d7146848c32a800652301843df06b9e8f68f0f7361",
                 "sha256:9dfd5197852530294ecb5795c97a823839258dfd5eb9420233c7cfedec2058f2",
                 "sha256:b160416adc0f012fb1f12588a5e6954889510f82f698e23ed4f4fa57f12a0647",
                 "sha256:ba7209b608945b889457f949cc04c8e762bed4fe3fec88ae9a6b7765ae82e496",
                 "sha256:cc0e028b209a5483b6846053d5fd7165f460a1f14774d79e632e75e7ae64b82b",
                 "sha256:d8029b2d3e4b4cea770e9e5a0104dd8fa185c1724a0f01528ae4826a6d25f97d",
-                "sha256:da7f0445b71db6d3a72462e04f36544b0de871289b0bc8a7cc87c0f5ec7079fa"
+                "sha256:da7f0445b71db6d3a72462e04f36544b0de871289b0bc8a7cc87c0f5ec7079fa",
+                "sha256:e2db6e85c057c16d0bd3b4d2b04f270a7467c147381e8fd73cbbe5bc719832be"
             ],
             "version": "==20.1.0"
         },
@@ -138,10 +140,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594",
-                "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"
+                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
+                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
             ],
-            "version": "==20.2.0"
+            "version": "==20.3.0"
         },
         "backcall": {
             "hashes": [
@@ -236,11 +238,11 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:2e22c1f74477b5106a6fb301c342ab8c64bb75d702e350f05a649e8cb40a0fb8",
-                "sha256:a331e78086001931de9424940699691ad49dfb457cea31f5471eae7b78222d5e"
+                "sha256:c987e8178ced651532b3b1ff9965925bfd445c279239697052561a9ab806d28f",
+                "sha256:cbb2ef3d5961d44e6a963b9817d4ea4e1fa2eb589c371a470fed14d8d40cbd6a"
             ],
             "markers": "python_version >= '3.3'",
-            "version": "==7.18.1"
+            "version": "==7.19.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -302,17 +304,17 @@
         },
         "jupyter-core": {
             "hashes": [
-                "sha256:394fd5dd787e7c8861741880bdf8a00ce39f95de5d18e579c74b882522219e7e",
-                "sha256:a4ee613c060fe5697d913416fc9d553599c05e4492d58fac1192c9a6844abb21"
+                "sha256:0a451c9b295e4db772bdd8d06f2f1eb31caeec0e81fbb77ba37d4a3024e3b315",
+                "sha256:aa1f9496ab3abe72da4efe0daab0cb2233997914581f9a071e07498c6add8ed3"
             ],
-            "version": "==4.6.3"
+            "version": "==4.7.0"
         },
         "jupyterlab-pygments": {
             "hashes": [
-                "sha256:19a0ccde7daddec638363cd3d60b63a4f6544c9181d65253317b2fb492a797b9",
-                "sha256:c9535e5999f29bff90bd0fa423717dcaf247b71fad505d66b17d3217e9021fc5"
+                "sha256:abfb880fd1561987efaefcb2d2ac75145d2a5d0139b1876d5be806e32f630008",
+                "sha256:cfcda0873626150932f438eccf0f8bf22bfa92345b814890ab360d666b254146"
             ],
-            "version": "==0.1.1"
+            "version": "==0.1.2"
         },
         "markupsafe": {
             "hashes": [
@@ -361,38 +363,39 @@
         },
         "nbclient": {
             "hashes": [
-                "sha256:8a6e27ff581cee50895f44c41936ce02369674e85e2ad58643d8d4a6c36771b0",
-                "sha256:8ad52d27ba144fca1402db014857e53c5a864a2f407be66ca9d74c3a56d6591d"
+                "sha256:01e2d726d16eaf2cde6db74a87e2451453547e8832d142f73f72fddcd4fe0250",
+                "sha256:4d6b116187c795c99b9dba13d46e764d596574b14c296d60670c8dfe454db364"
             ],
-            "version": "==0.5.0"
+            "version": "==0.5.1"
         },
         "nbconvert": {
             "hashes": [
-                "sha256:68335477288aab8a9b9ec03002dce59b4eb1ca967116741ec218a4e78c129efd",
-                "sha256:d8549f62e739a4d51f275c2932b1783ee5039dde07a2b71de70c0296a42c8394"
+                "sha256:39e9f977920b203baea0be67eea59f7b37a761caa542abe80f5897ce3cf6311d",
+                "sha256:cbbc13a86dfbd4d1b5dee106539de0795b4db156c894c2c5dc382062bbc29002"
             ],
-            "version": "==6.0.6"
+            "version": "==6.0.7"
         },
         "nbformat": {
             "hashes": [
-                "sha256:54d4d6354835a936bad7e8182dcd003ca3dc0cedfee5a306090e04854343b340",
-                "sha256:ea55c9b817855e2dfcd3f66d74857342612a60b1f09653440f4a5845e6e3523f"
+                "sha256:aa9450c16d29286dc69b92ea4913c1bffe86488f90184445996ccc03a2f60382",
+                "sha256:f545b22138865bfbcc6b1ffe89ed5a2b8e2dc5d4fe876f2ca60d8e6f702a30f8"
             ],
-            "version": "==5.0.7"
+            "version": "==5.0.8"
         },
         "nest-asyncio": {
             "hashes": [
-                "sha256:5773054bbc14579b000236f85bc01ecced7ffd045ec8ca4a9809371ec65a59c8",
-                "sha256:ea51120725212ef02e5870dd77fc67ba7343fc945e3b9a7ff93384436e043b6a"
+                "sha256:dbe032f3e9ff7f120e76be22bf6e7958e867aed1743e6894b8a9585fe8495cc9",
+                "sha256:eaa09ef1353ebefae19162ad423eef7a12166bcc63866f8bff8f3635353cd9fa"
             ],
-            "version": "==1.4.0"
+            "version": "==1.4.3"
         },
         "notebook": {
             "hashes": [
-                "sha256:07b6e8b8a61aa2f780fe9a97430470485bc71262bc5cae8521f1441b910d2c88",
-                "sha256:687d01f963ea20360c0b904ee7a37c3d8cda553858c8d6e33fd0afd13e89de32"
+                "sha256:3db37ae834c5f3b6378381229d0e5dfcbfb558d08c8ce646b1ad355147f5e91d",
+                "sha256:508cf9dad7cdb3188f1aa27017dc78179029dfe83814fc505329f689bc2ab50f"
             ],
-            "version": "==6.1.4"
+            "index": "pypi",
+            "version": "==6.1.5"
         },
         "packaging": {
             "hashes": [
@@ -403,9 +406,9 @@
         },
         "pandocfilters": {
             "hashes": [
-                "sha256:b3dd70e169bb5449e6bc6ff96aea89c5eea8c5f6ab5e207fc2f521a2cf4a0da9"
+                "sha256:bc63fbb50534b4b1f8ebe1860889289e8af94a23bff7445259592df25a3906eb"
             ],
-            "version": "==1.4.2"
+            "version": "==1.4.3"
         },
         "parso": {
             "hashes": [
@@ -431,17 +434,17 @@
         },
         "prometheus-client": {
             "hashes": [
-                "sha256:983c7ac4b47478720db338f1491ef67a100b474e3bc7dafcbaefb7d0b8f9b01c",
-                "sha256:c6e6b706833a6bd1fd51711299edee907857be10ece535126a158f911ee80915"
+                "sha256:9da7b32f02439d8c04f7777021c304ed51d9ec180604700c1ba72a4d44dceb03",
+                "sha256:b08c34c328e1bf5961f0b4352668e6c8f145b4a087e09b7296ef62cbe4693d35"
             ],
-            "version": "==0.8.0"
+            "version": "==0.9.0"
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:822f4605f28f7d2ba6b0b09a31e25e140871e96364d1d377667b547bb3bf4489",
-                "sha256:83074ee28ad4ba6af190593d4d4c607ff525272a504eb159199b6dd9f950c950"
+                "sha256:25c95d2ac813909f813c93fde734b6e44406d1477a9faef7c915ff37d39c0a8c",
+                "sha256:7debb9a521e0b1ee7d2fe96ee4bd60ef03c6492784de0547337ca4433e46aa63"
             ],
-            "version": "==3.0.7"
+            "version": "==3.0.8"
         },
         "ptyprocess": {
             "hashes": [
@@ -460,10 +463,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:307543fe65c0947b126e83dd5a61bd8acbd84abec11f43caebaf5534cbc17998",
-                "sha256:926c3f319eda178d1bd90851e4317e6d8cdb5e292a3386aac9bd75eca29cf9c7"
+                "sha256:381985fcc551eb9d37c52088a32914e00517e57f4a21609f48141ba08e193fa0",
+                "sha256:88a0bbcd659fcb9573703957c6b9cff9fab7295e6e76db54c9d00ae42df32773"
             ],
-            "version": "==2.7.1"
+            "version": "==2.7.2"
         },
         "pyparsing": {
             "hashes": [
@@ -487,36 +490,35 @@
         },
         "pyzmq": {
             "hashes": [
-                "sha256:00dca814469436455399660247d74045172955459c0bd49b54a540ce4d652185",
-                "sha256:046b92e860914e39612e84fa760fc3f16054d268c11e0e25dcb011fb1bc6a075",
-                "sha256:09d24a80ccb8cbda1af6ed8eb26b005b6743e58e9290566d2a6841f4e31fa8e0",
-                "sha256:0a422fc290d03958899743db091f8154958410fc76ce7ee0ceb66150f72c2c97",
-                "sha256:276ad604bffd70992a386a84bea34883e696a6b22e7378053e5d3227321d9702",
-                "sha256:296540a065c8c21b26d63e3cea2d1d57902373b16e4256afe46422691903a438",
-                "sha256:29d51279060d0a70f551663bc592418bcad7f4be4eea7b324f6dd81de05cb4c1",
-                "sha256:36ab114021c0cab1a423fe6689355e8f813979f2c750968833b318c1fa10a0fd",
-                "sha256:3fa6debf4bf9412e59353defad1f8035a1e68b66095a94ead8f7a61ae90b2675",
-                "sha256:5120c64646e75f6db20cc16b9a94203926ead5d633de9feba4f137004241221d",
-                "sha256:59f1e54627483dcf61c663941d94c4af9bf4163aec334171686cdaee67974fe5",
-                "sha256:5d9fc809aa8d636e757e4ced2302569d6e60e9b9c26114a83f0d9d6519c40493",
-                "sha256:654d3e06a4edc566b416c10293064732516cf8871a4522e0a2ba00cc2a2e600c",
-                "sha256:720d2b6083498a9281eaee3f2927486e9fe02cd16d13a844f2e95217f243efea",
-                "sha256:73483a2caaa0264ac717af33d6fb3f143d8379e60a422730ee8d010526ce1913",
-                "sha256:8a6ada5a3f719bf46a04ba38595073df8d6b067316c011180102ba2a1925f5b5",
-                "sha256:8b66b94fe6243d2d1d89bca336b2424399aac57932858b9a30309803ffc28112",
-                "sha256:99cc0e339a731c6a34109e5c4072aaa06d8e32c0b93dc2c2d90345dd45fa196c",
-                "sha256:a7e7f930039ee0c4c26e4dfee015f20bd6919cd8b97c9cd7afbde2923a5167b6",
-                "sha256:ab0d01148d13854de716786ca73701012e07dff4dfbbd68c4e06d8888743526e",
-                "sha256:c1a31cd42905b405530e92bdb70a8a56f048c8a371728b8acf9d746ecd4482c0",
-                "sha256:c20dd60b9428f532bc59f2ef6d3b1029a28fc790d408af82f871a7db03e722ff",
-                "sha256:c36ffe1e5aa35a1af6a96640d723d0d211c5f48841735c2aa8d034204e87eb87",
-                "sha256:c40fbb2b9933369e994b837ee72193d6a4c35dfb9a7c573257ef7ff28961272c",
-                "sha256:d46fb17f5693244de83e434648b3dbb4f4b0fec88415d6cbab1c1452b6f2ae17",
-                "sha256:e36f12f503511d72d9bdfae11cadbadca22ff632ff67c1b5459f69756a029c19",
-                "sha256:f1a25a61495b6f7bb986accc5b597a3541d9bd3ef0016f50be16dbb32025b302",
-                "sha256:fa411b1d8f371d3a49d31b0789eb6da2537dadbb2aef74a43aa99a78195c3f76"
-            ],
-            "version": "==19.0.2"
+                "sha256:03638e46d486dd1c118e03c8bf9c634bdcae679600eac6573ae1e54906de7c2f",
+                "sha256:0af84f34f27b5c6a0e906c648bdf46d4caebf9c8e6e16db0728f30a58141cad6",
+                "sha256:0e554fd390021edbe0330b67226325a820b0319c5b45e1b0a59bf22ccc36e793",
+                "sha256:1e9b75a119606732023a305d1c214146c09a91f8116f6aff3e8b7d0a60b6f0ff",
+                "sha256:225774a48ed7414c0395335e7123ef8c418dbcbe172caabdc2496133b03254c2",
+                "sha256:2742e380d186673eee6a570ef83d4568741945434ba36d92b98d36cdbfedbd44",
+                "sha256:309d763d89ec1845c0e0fa14e1fb6558fd8c9ef05ed32baec27d7a8499cc7bb0",
+                "sha256:46250789730489009fe139cbf576679557c070a6a3628077d09a4153d52fd381",
+                "sha256:4d9259a5eb3f71abbaf61f165cacf42240bfeea3783bebd8255341abdfe206f1",
+                "sha256:523d542823cabb94065178090e05347bd204365f6e7cb260f0071c995d392fc2",
+                "sha256:5efe02bdcc5eafcac0aab531292294298f0ab8d28ed43be9e507d0e09173d1a4",
+                "sha256:63ee08e35be72fdd7568065a249a5b5cf51a2e8ab6ee63cf9f73786fcb9e710b",
+                "sha256:6e24907857c80dc67692e31f5bf3ad5bf483ee0142cec95b3d47e2db8c43bdda",
+                "sha256:7113eb93dcd0a5750c65d123ed0099e036a3a3f2dcb48afedd025ffa125c983b",
+                "sha256:824ad5888331aadeac772bce27e1c2fbcab82fade92edbd234542c4e12f0dca9",
+                "sha256:895695be380f0f85d2e3ec5ccf68a93c92d45bd298567525ad5633071589872c",
+                "sha256:b62113eeb9a0649cebed9b21fd578f3a0175ef214a2a91dcb7b31bbf55805295",
+                "sha256:bc7dd697356b31389d5118b9bcdef3e8d8079e8181800c4e8d72dccd56e1ff68",
+                "sha256:bf755905a7d30d2749079611b9a89924c1f2da2695dc09ce221f42122c9808e3",
+                "sha256:c63fafd2556d218368c51d18588f8e6f8d86d09d493032415057faf6de869b34",
+                "sha256:c95dda497a7c1b1e734b5e8353173ca5dd7b67784d8821d13413a97856588057",
+                "sha256:cc09c5cd1a4332611c8564d65e6a432dc6db3e10793d0254da9fa1e31d9ffd6d",
+                "sha256:cfa54a162a7b32641665e99b2c12084555afe9fc8fe80ec8b2f71a57320d10e1",
+                "sha256:d81184489369ec325bd50ba1c935361e63f31f578430b9ad95471899361a8253",
+                "sha256:d92c7f41a53ece82b91703ea433c7d34143248cf0cead33aa11c5fc621c764bf",
+                "sha256:f0beef935efe78a63c785bb21ed56c1c24448511383e3994927c8bb2caf5e714",
+                "sha256:f110a4d3f8f01209eec304ed542f6c8054cce9b0f16dfe3d571e57c290e4e133"
+            ],
+            "version": "==20.0.0"
         },
         "qtconsole": {
             "hashes": [
@@ -562,24 +564,56 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:0fe2d45ba43b00a41cd73f8be321a44936dc1aba233dee979f17a042b83eb6dc",
-                "sha256:22aed82c2ea340c3771e3babc5ef220272f6fd06b5108a53b4976d0d722bcd52",
-                "sha256:2c027eb2a393d964b22b5c154d1a23a5f8727db6fda837118a776b29e2b8ebc6",
-                "sha256:5217e601700f24e966ddab689f90b7ea4bd91ff3357c3600fa1045e26d68e55d",
-                "sha256:5618f72e947533832cbc3dec54e1dffc1747a5cb17d1fd91577ed14fa0dc081b",
-                "sha256:5f6a07e62e799be5d2330e68d808c8ac41d4a259b9cea61da4101b83cb5dc673",
-                "sha256:c58d56003daf1b616336781b26d184023ea4af13ae143d9dda65e31e534940b9",
-                "sha256:c952975c8ba74f546ae6de2e226ab3cc3cc11ae47baf607459a6728585bb542a",
-                "sha256:c98232a3ac391f5faea6821b53db8db461157baa788f5d6222a193e9456e1740"
-            ],
-            "version": "==6.0.4"
+                "sha256:0a00ff4561e2929a2c37ce706cb8233b7907e0cdc22eab98888aca5dd3775feb",
+                "sha256:0d321a39c36e5f2c4ff12b4ed58d41390460f798422c4504e09eb5678e09998c",
+                "sha256:1e8225a1070cd8eec59a996c43229fe8f95689cb16e552d130b9793cb570a288",
+                "sha256:20241b3cb4f425e971cb0a8e4ffc9b0a861530ae3c52f2b0434e6c1b57e9fd95",
+                "sha256:25ad220258349a12ae87ede08a7b04aca51237721f63b1808d39bdb4b2164558",
+                "sha256:33892118b165401f291070100d6d09359ca74addda679b60390b09f8ef325ffe",
+                "sha256:33c6e81d7bd55b468d2e793517c909b139960b6c790a60b7991b9b6b76fb9791",
+                "sha256:3447475585bae2e77ecb832fc0300c3695516a47d46cefa0528181a34c5b9d3d",
+                "sha256:34ca2dac9e4d7afb0bed4677512e36a52f09caa6fded70b4e3e1c89dbd92c326",
+                "sha256:3e63498f680547ed24d2c71e6497f24bca791aca2fe116dbc2bd0ac7f191691b",
+                "sha256:548430be2740e327b3fe0201abe471f314741efcb0067ec4f2d7dcfb4825f3e4",
+                "sha256:6196a5c39286cc37c024cd78834fb9345e464525d8991c21e908cc046d1cc02c",
+                "sha256:61b32d06ae8a036a6607805e6720ef00a3c98207038444ba7fd3d169cd998910",
+                "sha256:6286efab1ed6e74b7028327365cf7346b1d777d63ab30e21a0f4d5b275fc17d5",
+                "sha256:65d98939f1a2e74b58839f8c4dab3b6b3c1ce84972ae712be02845e65391ac7c",
+                "sha256:66324e4e1beede9ac79e60f88de548da58b1f8ab4b2f1354d8375774f997e6c0",
+                "sha256:6c77c9937962577a6a76917845d06af6ab9197702a42e1346d8ae2e76b5e3675",
+                "sha256:70dec29e8ac485dbf57481baee40781c63e381bebea080991893cd297742b8fd",
+                "sha256:7250a3fa399f08ec9cb3f7b1b987955d17e044f1ade821b32e5f435130250d7f",
+                "sha256:748290bf9112b581c525e6e6d3820621ff020ed95af6f17fedef416b27ed564c",
+                "sha256:7da13da6f985aab7f6f28debab00c67ff9cbacd588e8477034c0652ac141feea",
+                "sha256:8f959b26f2634a091bb42241c3ed8d3cedb506e7c27b8dd5c7b9f745318ddbb6",
+                "sha256:9de9e5188a782be6b1ce866e8a51bc76a0fbaa0e16613823fc38e4fc2556ad05",
+                "sha256:a48900ecea1cbb71b8c71c620dee15b62f85f7c14189bdeee54966fbd9a0c5bd",
+                "sha256:b87936fd2c317b6ee08a5741ea06b9d11a6074ef4cc42e031bc6403f82a32575",
+                "sha256:c77da1263aa361938476f04c4b6c8916001b90b2c2fdd92d8d535e1af48fba5a",
+                "sha256:cb5ec8eead331e3bb4ce8066cf06d2dfef1bfb1b2a73082dfe8a161301b76e37",
+                "sha256:cc0ee35043162abbf717b7df924597ade8e5395e7b66d18270116f8745ceb795",
+                "sha256:d14d30e7f46a0476efb0deb5b61343b1526f73ebb5ed84f23dc794bdb88f9d9f",
+                "sha256:d371e811d6b156d82aa5f9a4e08b58debf97c302a35714f6f45e35139c332e32",
+                "sha256:d3d20ea5782ba63ed13bc2b8c291a053c8d807a8fa927d941bd718468f7b950c",
+                "sha256:d3f7594930c423fd9f5d1a76bee85a2c36fd8b4b16921cae7e965f22575e9c01",
+                "sha256:dcef026f608f678c118779cd6591c8af6e9b4155c44e0d1bc0c87c036fb8c8c4",
+                "sha256:e0791ac58d91ac58f694d8d2957884df8e4e2f6687cdf367ef7eb7497f79eaa2",
+                "sha256:e385b637ac3acaae8022e7e47dfa7b83d3620e432e3ecb9a3f7f58f150e50921",
+                "sha256:e519d64089b0876c7b467274468709dadf11e41d65f63bba207e04217f47c085",
+                "sha256:e7229e60ac41a1202444497ddde70a48d33909e484f96eb0da9baf8dc68541df",
+                "sha256:ed3ad863b1b40cd1d4bd21e7498329ccaece75db5a5bf58cd3c9f130843e7102",
+                "sha256:f0ba29bafd8e7e22920567ce0d232c26d4d47c8b5cf4ed7b562b5db39fa199c5",
+                "sha256:fa2ba70284fa42c2a5ecb35e322e68823288a4251f9ba9cc77be04ae15eada68",
+                "sha256:fba85b6cd9c39be262fcd23865652920832b61583de2a2ca907dbd8e8a8c81e5"
+            ],
+            "version": "==6.1"
         },
         "traitlets": {
             "hashes": [
-                "sha256:86c9351f94f95de9db8a04ad8e892da299a088a64fd283f9f6f18770ae5eae1b",
-                "sha256:9664ec0c526e48e7b47b7d14cd6b252efa03e0129011de0a9c1d70315d4309c3"
+                "sha256:178f4ce988f69189f7e523337a3e11d91c786ded9360174a3d9ca83e79bc5396",
+                "sha256:69ff3f9d5351f31a7ad80443c2674b7099df13cc41fc5fa6e2f6d3b0330b0426"
             ],
-            "version": "==5.0.4"
+            "version": "==5.0.5"
         },
         "wcwidth": {
             "hashes": [
@@ -604,10 +638,10 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:43f4fa8d8bb313e65d8323a3952ef8756bf40f9a5c3ea7334be23ee4ec8278b6",
-                "sha256:b52f22895f4cfce194bc8172f3819ee8de7540aa6d873535a8668b730b8b411f"
+                "sha256:102c24ef8f171fd729d46599845e95c7ab894a4cf45f5de11a44cc7444fb1108",
+                "sha256:ed5eee1974372595f9e416cc7bbeeb12335201d8081ca8a0743c954d4446e5cb"
             ],
-            "version": "==3.2.0"
+            "version": "==3.4.0"
         }
     }
 }
diff --git a/requirements.txt b/requirements.txt
index d2d5a6d..da046eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
--i https://pypi.org/simple
-numpy==1.19.2
+-i https://pypi.org/simple/
+numpy==1.19.4
 pandas==1.1.2
 python-dateutil==2.8.1
-pytz==2020.1
+pytz==2020.4
 six==1.15.0
 tqdm==4.49.0