Updated code for resolve function to detect circular dependencies and throw an Error if they do not stabilize.
Bump minor version to 0.2.0
Merge remote-tracking branch 'origin/plugins' into plugins

Conflicts:
	package.json
Bump to 0.2.1
Refactor default chips to packages, begin implementation of std_logic_1164 package
Begin implementation of synthesis
Bump to 0.2.2
Added chip packs, added std_logic_1164 pack, functional testing.
Merge pull request #3 from cakesmith/plugins

Plugins