Changed the format for outputing tuple
Change make_query to execute_query (IMHO makes more sense)

Added function to compare tuple lists for unit testing
Merge branch 'master' of https://github.com/yansh/MoanaML/

Conflicts:
	main.ml
Git woes, accidenly removed main.ml, added it back
Cleaned the code a bit.
Commented out the SQlite implementation for now.
Merge branch 'master' of https://github.com/niksu/MoanaML

Conflicts:
	main.ml
Resolving conflicts from the latest pull request
* Minor correction to q2
* Added new test.ml module for unit tests
Moved tuples and queries used for testing to test.ml
added test.ml to the build
Moved execute_query to config.ml
execute_query and tests moved to config.ml and test.ml respectivly.
Now includes and runs the unit tests
- Minor cleanup
Start using OUnit package for Unit tests suits
Added a couple of more tests - the query execute seems to hold
* Changed the moana signature to support execute_query
removed Wildcard type construcotr from the element_type
Update the STORE implementation to use execute_query