0.6.4

This release of Atomic App includes a large refactor of the "config" class as well as a minor change to our release script.

Features:

• Config refactor
• Release script fix
• Test cases added to the config class

Charlie Drage <charlie@charliedrage.com> (1):
      Update release script regex

Ratnadeep Debnath <rtnpro@gmail.com> (3):
      Initial work on refactoring Nulecule config. #524
      Re implememt Config class to be more generic. Fixes #524
      Fixed tests for config refactor.