Removed Gemfile.lock from git repo
Released v0.3.0
Spike to see if Erlang's 'behaviour' keyword makes sense in Ruby
Better error messages and minor refactoring.
Documented 'behavior_info' and 'behavior' functionality.
Updated README
Added alias 'interface' for 'behavior_info'
Started writing specs for 'behavior' functionality
Updated README
Fully implemented behavior_info
Merge branch 'master' into memoize