diff --git a/Pipfile.lock b/Pipfile.lock
index 176eb07..caf19ea 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "5e3f3e80bd92780ab66a80a83156001e50362a0d6195b1a304a15dc0c645c562"
+            "sha256": "ebff0e93084823fd2b834d617d45d0ee179eaf9779b11668b3efec95c92e2b54"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,10 +18,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
-                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2019.9.11"
+            "version": "==2019.11.28"
         },
         "chardet": {
             "hashes": [
@@ -180,11 +180,11 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:dfd303b270b7b5232b3d08bd30ec6fd685d8a58cabd54055e3d69d8f029f7280",
-                "sha256:ed7ebe1cba899c1c3ccad6f7f1c2d2369464cc77dba8eebc65e2043e19cda995"
+                "sha256:c66c7e27239855828a764b1e8fc72c24a6f4498a2637572094a78c5551fb9d51",
+                "sha256:f186b01b36609e0c5d0de27c7ef8e80c990c70478f8c880863004b3489a9030e"
             ],
             "index": "pypi",
-            "version": "==7.9.0"
+            "version": "==7.10.1"
         },
         "ipython-genutils": {
             "hashes": [
@@ -217,10 +217,10 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
-                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+                "sha256:b84b238cce0d9adad5ed87e745778d20a3f8487d0f0cb8b8a586816c7496458d",
+                "sha256:c833ef592a0324bcc6a60e48440da07645063c453880c9477ceb22490aec1564"
             ],
-            "version": "==7.2.0"
+            "version": "==8.0.2"
         },
         "packaging": {
             "hashes": [
@@ -266,11 +266,10 @@
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:46642344ce457641f28fc9d1c9ca939b63dadf8df128b86f1b9860e59c73a5e4",
-                "sha256:e7f8af9e3d70f514373bf41aa51bc33af12a6db3f71461ea47fea985defb2c31",
-                "sha256:f15af68f66e664eaa559d4ac8a928111eebd5feda0c11738b5998045224829db"
+                "sha256:0278d2f51b5ceba6ea8da39f76d15684e84c996b325475f6e5720edc584326a7",
+                "sha256:63daee79aa8366c8f1c637f1a4876b890da5fc92a19ebd2f7080ebacb901e990"
             ],
-            "version": "==2.0.10"
+            "version": "==3.0.2"
         },
         "ptyprocess": {
             "hashes": [
@@ -302,10 +301,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:83ec6c6133ca6b529b7ff5aa826328fd14b5bb02a58c37f4f06384e96a0f94ab",
-                "sha256:b7949de3d396836085fea596998b135a22610bbcc4f2abfe9e448e44cbc58388"
+                "sha256:2a3fe295e54a20164a9df49c75fa58526d3be48e14aceba6d6b1e8ac0bfd6f1b",
+                "sha256:98c8aa5a9f778fcd1026a17361ddaf7330d1b7c62ae97c3bb0ae73e0b9b6b0fe"
             ],
-            "version": "==2.5.1"
+            "version": "==2.5.2"
         },
         "pyparsing": {
             "hashes": [
@@ -324,21 +323,19 @@
         },
         "regex": {
             "hashes": [
-                "sha256:15454b37c5a278f46f7aa2d9339bda450c300617ca2fca6558d05d870245edc7",
-                "sha256:1ad40708c255943a227e778b022c6497c129ad614bb7a2a2f916e12e8a359ee7",
-                "sha256:5e00f65cc507d13ab4dfa92c1232d004fa202c1d43a32a13940ab8a5afe2fb96",
-                "sha256:604dc563a02a74d70ae1f55208ddc9bfb6d9f470f6d1a5054c4bd5ae58744ab1",
-                "sha256:720e34a539a76a1fedcebe4397290604cc2bdf6f81eca44adb9fb2ea071c0c69",
-                "sha256:7caf47e4a9ac6ef08cabd3442cc4ca3386db141fb3c8b2a7e202d0470028e910",
-                "sha256:7faf534c1841c09d8fefa60ccde7b9903c9b528853ecf41628689793290ca143",
-                "sha256:b4e0406d822aa4993ac45072a584d57aa4931cf8288b5455bbf30c1d59dbad59",
-                "sha256:c31eaf28c6fe75ea329add0022efeed249e37861c19681960f99bbc7db981fb2",
-                "sha256:c7393597191fc2043c744db021643549061e12abe0b3ff5c429d806de7b93b66",
-                "sha256:d2b302f8cdd82c8f48e9de749d1d17f85ce9a0f082880b9a4859f66b07037dc6",
-                "sha256:e3d8dd0ec0ea280cf89026b0898971f5750a7bd92cb62c51af5a52abd020054a",
-                "sha256:ec032cbfed59bd5a4b8eab943c310acfaaa81394e14f44454ad5c9eba4f24a74"
+                "sha256:3dbd8333fd2ebd50977ac8747385a73aa1f546eb6b16fcd83d274470fe11f243",
+                "sha256:40b7d1291a56897927e08bb973f8c186c2feb14c7f708bfe7aaee09483e85a20",
+                "sha256:719978a9145d59fc78509ea1d1bb74243f93583ef2a34dcc5623cf8118ae9726",
+                "sha256:75cf3796f89f75f83207a5c6a6e14eaf57e0369ef0ffff8e22bf36bbcfa0f1de",
+                "sha256:77396cf80be8b2a35db863cca4c1a902d88ceeb183adab328b81184e71a5eafe",
+                "sha256:77a3799152951d6d14ae5720ca162c97c64f85d4755da585418eac216b736cad",
+                "sha256:91235c98283d2bddf1a588f0fbc2da8afa37959294bbd18b76297bdf316ba4d6",
+                "sha256:aaffd68c4c1ed891366d5c390081f4bf6337595e76a157baf453603d8e53fbcb",
+                "sha256:ad9e3c7260809c0d1ded100269f78ea0217c0704f1eaaf40a382008461848b45",
+                "sha256:c203c9ee755e9656d0af8fab82754d5a664ebaf707b3f883c7eff6a3dd5151cf",
+                "sha256:e865bc508e316a3a09d36c8621596e6599a203bc54f1cd41020a127ccdac468a"
             ],
-            "version": "==2019.11.1"
+            "version": "==2019.12.9"
         },
         "six": {
             "hashes": [