Revision history for Sub::Frequency

0.05    2012-11-25
 - updated docs to mention return values
   (thanks blabos for reporting)
 - updated SEE ALSO section

0.04    2011-06-20
 - internal refactoring (tbr)
 - more tests

0.03    2011-06-19
 - Added often() as an alias for normally (blabos)
 - Chained frequencies (blabos)

0.02    2010-12-17
 - Improving documentation

0.01    2010-12-17
 - First version, released on an unsuspecting world.

