Starting to implement IT test

starting IT test, needs to be tweaked to select correct plan
MapFolder Bug

fixed map folder bug, case where map join should not be moved but
project must be added
TKeyComparables used

TKeyComparables are now passed to and saved within the has table to
deal with comparison between comparable but not equal types
Clean up yaml tests

removed explain from join yaml tests
remove postgres test

Testing will be implemented elsewhere