0.2 - Mon Aug 15 10:36:01 BST 2005
    * More support for timezones
    * Note some todos
    * Fix a bug with premature truncation of RRULEs
    * Added EXRULE, EXDATE and RDATE support - we 
      can now parse London.pm's insane meeting shcedule. YAY!

0.1 - Tue Aug  9 09:44:22 BST 2005
    * initial release