make the default equality work for atoms

as far as I can see the special case for atom/boolean is not needed.
Removing it makes default equality work for both atom and boolean.
Added Checkers.Messages module

For now just echoing the recieved messages to allow checking them with
the default checkers for Issue #11.
make the default equality work for atoms

as far as I can see the special case for atom/boolean is not needed.
Removing it makes default equality work for both atom and boolean.
Added Checkers.Messages module

For now just echoing the recieved messages to allow checking them with
the default checkers for Issue #11.
Merge branch 'message_handling_checkers' of github.com:sideshowcoder/amrita into message_handling_checkers
Merge pull request #46 from sideshowcoder/message_handling_checkers

Message handling checkers