WIP - First pass at moving to a new file format with state:x,y
specifiers
Simplified and improved board_init()
Minor fixes to comments in board.c
Added a module docstrings for board.h
Updated README to reflect file format changes
Improved change log and added the changes made in this branch to
the features of the 0.0.5 release
Merge pull request #4 from calebsmith/feature/file-format-change

Changed board data file format