Added method for checking if triangles reference valid point index.
Added check to WV_Wrapper to raise error if triangles reference invalid index.
Creating test for triangle connectivities
Initail pyv3d test works. Needs refining.
Added error class specific to connectivities. Refined test. test_stl failing new test.
Got rid of  error in test.
Debbuging test failure
added support to checkConnectivities for bias of 0 and 1
Increment version.
Merge pull request #15 from crobinsonut/bugfix-55226468

Story 55226468