Revision history:

0.05  2009/12/4

	- Dec dates fix

0.04  2009/7/15
    - POD fix
    - Switch module usage removed due to the long initialization delay
    - Fixed bug with literal month names

0.03  2009/6/26
    - POD fix
    - prerequisites added to Makefile.PL
    - more tests added

0.02  2009/6/9
    - POD fixes
    - to_array() function added to ::TreeSet
    - Makefile.PL dependency fixed

0.01  2009/7/6
    - initial release