Implemented function to get hashmap of all partitions in relation
Added get_coverings method (currently works for single attribute combinations only), cleaned up code in partition.rb; created covering.rb and made place holders for methods to be implemented later
Merge branch 'master' of github.com:LinuxMercedes/rico

Conflicts:
	lib/rico.rb
Fixing requires to work correctly
Converting possible_values to work with sets of attributes
Rewriting partitions...
Whitespace
Converting partitions to be an array of arrays
to make covering calculations easier
Basic covering calculation. Partition inequality is NOT correct.
Current status of todos
Goddammit that was too complicated
Doing getopts correctly
Updating todos
Whoops, extra debugging
more whitespace fixin
Reformatting todo into markdown
Reformatting todo into markdown
Reformatting todo into markdown
Commenting stuff
Basic rule inferencing