Fix 'remeber' typo in saveSession
Add searchDefinition method, returns card variations

searchDefinition(player_id) returns stats and definition IDs for each card
variation (normal, IF...) for the given player ID.
Allow searching auctions by definition ID

Returns auctions for a specific card variation.
Merge pull request #95 from jamslater/master

Search auctions for specific card variations (e.g. IF) by definition ID