Better, faster, stronger Minions. Now with a Union!
Merge branch 'sean-master-specs' of github.com:envato/medusa into sean-master-specs

Conflicts:
	lib/medusa/drivers/acceptor.rb
	lib/medusa/drivers/rspec_driver.rb
	lib/medusa/keeper.rb
	lib/medusa/keeper_pool.rb
	lib/medusa/labrynth.rb
	lib/medusa/minion.rb
RSpec style output
Dont send the exception class, chances are it's not loaded into the Overlord's VM