Merge pull request #3 from setowns1/bug

Array constraint support
Fixed a small bug with enums
pyopt_driver and many other drivers are triggering a run via get_eq_constraints before the workflow is executed. ID 65164180
Merge pull request #4 from hschilling/P65164180_pyopt_driver_eq_constraints

Fixed bug: pyopt_driver and many other drivers are triggering a run via get_eq_constraints before the workflow is executed. ID 65164180
0.9.6 update
Update for new case apis