Add support for CPython 3.4.4

Author: saghul

pythonz/installer/versions.py

@@ -61,6 +61,7 @@
  '3.4.1': '8d007e3ef80b128a292be101201e75dec5480e5632e994771e7c231d17720b66',
  '3.4.2': '44a3c1ef1c7ca3e4fd25242af80ed72da941203cb4ed1a8c1b724d9078965dd8',
  '3.4.3': '8b743f56e9e50bf0923b9e9c45dd927c071d7aa56cd46569d8818add8cf01147',
+ '3.4.4': None,
  '3.5.0': '584e3d5a02692ca52fce505e68ecd77248a6f2c99adf9db144a39087336b0fe0',
  '3.5.1': '687e067d9f391da645423c7eda8205bae9d35edc0c76ef5218dcbe4cc770d0d7'
  },