Include a check that PhysicalOffsetFrames do not form a loop, otherwise the while loop will never terminate. Loops of PhysicalOffsetFrames is an error and we now throw an Exception.
Include a check that PhysicalOffsetFrames do not form a loop, otherwise the while loop will never terminate. Loops of PhysicalOffsetFrames is an error and we now throw an Exception.

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core