add Pipfiles

Author: nerdoc

Pipfile

@@ -0,0 +1,18 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+pytest = "*"
+keyring = "*"
+nose = "*"
+pytest-profiling = "*"
+
+[packages]
+
+[requires]
+python_version = "3.6"
+
+[pipenv]
+allow_prereleases = true