Added RecentUploadsOptions and started implementatin of RecentUploads.
Found that the JSON api from marketdata is inconsistent. Switched to use XML instead.
Finished ItemHistory and RecentUploads implementations.
ItemHistory options file.
Implemented GetItemPrice()
Implemented GetItemOrders() and other small changes
Forgot to include xml files for ItemOrder and ItemPrice
Implemented GetStationRank()
Fixed minor bugs.
Implemented a single Options class for all calls. Verified that all API functions are working.