added test suite for postgresmodelgenerator
added postgresmodel test suite-
fixed linking.
create test graph and clean it up.
renamed test method.
fixed typo.
simplification of includes
simplified includes.
simplified includes.
simplified includes.
simplified includes
fixed app name
fixed macro invocation.
cleanup.
api cleanup
added helper method.
savepoint.
test existance of relational data types.
manage sequences.
indented.