Add function that returns a query object
Add function that returns a query object

Added a function that returns a Query object given a query id. This
function is used to pass a query including all relevant parameters to
the generate_tv_word_cloud task.

UUDigitalHumanitieslab/texcavator,msassmann/texcavator,UUDigitalHumanitieslab/texcavator,msassmann/texcavator,msassmann/texcavator,UUDigitalHumanitieslab/texcavator,msassmann/texcavator