added bumpversion to dev dependancies

Pipfile

@@ -15,6 +15,7 @@ pre-commit = "*"
 pytest-cov = "*"
 "pathlib2" = "*"
 "scandir" = "*"
+bumpversion = "*"
 
 [requires]
 python_version = "3.6"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "dd358c9af1cbfcb78426520303170fc47ec55723b59a730a5234ddf2395b8910"
+            "sha256": "739b1aba6f8a19f9555393878741ecc9872dbcb073d2c75ed4020c63e55a8e68"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -39,6 +39,14 @@
             ],
             "version": "==18.2.0"
         },
+        "bumpversion": {
+            "hashes": [
+                "sha256:6744c873dd7aafc24453d8b6a1a0d6d109faf63cd0cd19cb78fd46e74932c77e",
+                "sha256:6753d9ff3552013e2130f7bc03c1007e24473b4835952679653fb132367bdd57"
+            ],
+            "index": "pypi",
+            "version": "==0.5.3"
+        },
         "cached-property": {
             "hashes": [
                 "sha256:3a026f1a54135677e7da5ce819b0c690f156f37976f3e30c5430740725203d7f",
@@ -109,10 +117,10 @@
         },
         "identify": {
             "hashes": [
-                "sha256:6aa415d0ce7cb358dfa38844338057067533ffe4973b1c9bc33c5e8e4e54ec92",
-                "sha256:ac6ae37088cb87da931fc681d1e13da46bf2e06c344dc1d49b18b2f6cd5aa140"
+                "sha256:5e956558a9a1e3b3891d7c6609fc9709657a11878af288ace484d1a46a93922b",
+                "sha256:623086059219cc7b86c77a3891f3700cb175d4ce02b8fb8802b047301d71e783"
             ],
-            "version": "==1.1.5"
+            "version": "==1.1.7"
         },
         "mccabe": {
             "hashes": [
@@ -153,10 +161,10 @@
         },
         "pbr": {
             "hashes": [
-                "sha256:1b8be50d938c9bb75d0eaf7eda111eec1bf6dc88a62a6412e33bf077457e0f45",
-                "sha256:b486975c0cafb6beeb50ca0e17ba047647f229087bd74e37f4a7e2cac17d2caa"
+                "sha256:1be135151a0da949af8c5d0ee9013d9eafada71237eb80b3ba8896b4f12ec5dc",
+                "sha256:cf36765bf2218654ae824ec8e14257259ba44e43b117fd573c8d07a9895adbdd"
             ],
-            "version": "==4.2.0"
+            "version": "==4.3.0"
         },
         "pluggy": {
             "hashes": [
@@ -168,11 +176,11 @@
         },
         "pre-commit": {
             "hashes": [
-                "sha256:18ef2892ff6b6518945bc7dcf423e3c969033a4ca132b6a1ae0d52eb2e51ea27",
-                "sha256:88d59872610a7069d937b6868632ba534187bda58c4665de12b25c8c549ddd0e"
+                "sha256:3ce9dd5a912e1c0d0fa0c5991927429a62661ca7ed00ee3dc4ca2c743ec259ce",
+                "sha256:e7efe81063b8cb2a72190db06109191aac67971fc7a31d9e9485907f6be76954"
             ],
             "index": "pypi",
-            "version": "==1.11.0"
+            "version": "==1.11.1"
         },
         "py": {
             "hashes": [
@@ -198,11 +206,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:453cbbbe5ce6db38717d282b758b917de84802af4288910c12442984bde7b823",
-                "sha256:a8a07f84e680482eb51e244370aaf2caa6301ef265f37c2bdefb3dd3b663f99d"
+                "sha256:7e258ee50338f4e46957f9e09a0f10fb1c2d05493fa901d113a8dafd0790de4e",
+                "sha256:9332147e9af2dcf46cd7ceb14d5acadb6564744ddff1fe8c17f0ce60ece7d9a2"
             ],
             "index": "pypi",
-            "version": "==3.8.0"
+            "version": "==3.8.2"
         },
         "pytest-cov": {
             "hashes": [
@@ -262,10 +270,10 @@
         },
         "toml": {
             "hashes": [
-                "sha256:380178cde50a6a79f9d2cf6f42a62a5174febe5eea4126fe4038785f1d888d42",
-                "sha256:a7901919d3e4f92ffba7ff40a9d697e35bbbc8a8049fe8da742f34c83606d957"
+                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
             ],
-            "version": "==0.9.6"
+            "version": "==0.10.0"
         },
         "virtualenv": {
             "hashes": [