Module::Mask changes document

0.03 - Mon Jul 16 2007
    - Added import() method to allow easier command-line masking

0.02 - Fri Apr 28 2006
    - Added module documentation

    - Added message() method to allow overriding the message used when a module
      is masked.

    - Fixed the generated error message to be identical to perl's

    - Added Changes and README

0.01	initial version