Fixed "Bug" in Acme::MyFirstModule::MALLEN

In Acme::MyFirstModule::MALLEN
  Added a 1; at the bottom of the module file
Acted on Feedback from Thirsty Pull Request.

In Acme::MyFirstModule::MALLEN
  Modified return value as requested to be 'beer'
Merge pull request #1 from drzigman/master

Fixed "Bug" in Acme::MyFirstModule::MALLEN