fixing the greedy orchestrator imports
Merge branch 'dev' of https://github.com/scalen/squall into dev
Merge branch 'dev' of https://github.com/scalen/squall into dev
added some ways of giving rif input as well as the begginings of a unit test
working files
added a working version of the RIF compiler end to end
Altered greedy orchestrator to fork at each optional/or/union, and
produce the cartesian product of forks whenever a new optional/or/union
is encountered at the same level in the CPS tree.

Changed MapRETEQueue to throw errors instead of printing WAT when
encountering errors.

Made the OPSDisplayUtils show details of the contents of each node in
the DAG.  Also added more detailed toString() methods to
FixedJoinFunctions and BaseTripleFilterFunctions.

Added some additional rules to expand the RIF test suit.