Added Quandl XML data parser.
Added Quandl utils test, passes.
A few small fixes on the quandl parser.
There's no need to reverse the data from quandl.
Added Quandl authentication option to settings window.
Added Quandl authentication token to settings.
Updated readme.
Added Quandl to datasources table in the database creation file.
Handling for some corner cases with the sessions.
Fixed error when an instrument had Exchange = null, and added a few continuous futures UI things.
Instruments now allowed to have Exchange = null.
Made it impossible to set Exchange = null and simultaneously use Exchange as the SessionSource.
Fixed errors in cases where an instrument's session list is empty.
Added menu item to open the Quandl add instrument window.
Added Quandl data source.
Added a new window that allows adding new instruments from Quandl.
Added Quandl as a source to the HistoricalDataBroker.
Added a new method to QuandlUtils to search for instruments, as well as its associated test (which passes).
Wrote more tests for the ContinuousFuturesBroker.
Project file updates to include the new files.