add pipfile/pipenv

Pipfile

@@ -0,0 +1,13 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+pytz = "*"
+colorlog = "*"
+
+[requires]
+python_version = "3.7"

Pipfile.lock

@@ -0,0 +1,37 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "c3b3b5ada235f990ea1b0bb44dae216d93e828643578819ad98876264acab566"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.7"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "colorlog": {
+            "hashes": [
+                "sha256:3cf31b25cbc8f86ec01fef582ef3b840950dea414084ed19ab922c8b493f9b42",
+                "sha256:450f52ea2a2b6ebb308f034ea9a9b15cea51e65650593dca1da3eb792e4e4981"
+            ],
+            "index": "pypi",
+            "version": "==4.0.2"
+        },
+        "pytz": {
+            "hashes": [
+                "sha256:26c0b32e437e54a18161324a2fca3c4b9846b74a8dccddd843113109e1116b32",
+                "sha256:c894d57500a4cd2d5c71114aaab77dbab5eabd9022308ce5ac9bb93a60a6f0c7"
+            ],
+            "index": "pypi",
+            "version": "==2019.2"
+        }
+    },
+    "develop": {}
+}