Add Cryptsy public api, add formating code for Cryptsy's wrong json types
Fix pair_market_map
Add string representation for order
Added some more calls, removed duplicate data store and obsolete casts to Decimal
Correctly raise on errors of createorder calls
Add classes and methods for fetching transactions (deposit/withdraw)
Fix excption name
Merge branch 'transactions'

Conflicts:
	cryptex/cryptsy.py