* [THB] added initial common/uncommon collation mechanism
* [THB] added rare/mythic and lands to pack generation
* fixed some card names
* broke out collation into its own separate classes
* built collation into ExpansionSet
* added note about collation information
* [KHM] added collation info
* updated collation to use collector number rather than name
* added shuffle to set constructor
* added some notes on collation methods
