Removed unused exceptions.
Removed unused exception references.
Trim the card input.
Removed extraneous repr()
Added a schema change to allow the display of multiple rarities, one for each expansion.
Added a place to store flavor texts.
Added a field for the multiverse ID of a printing.
Added support for the new cardrelease table.
Added  a method to get the flavor text for a card.
Added a bot command to return the flavor text.