Missing return parameter in definition of tixiUIDCheckExists.m (#89)
Missing return parameter in definition of tixiUIDCheckExists.m (#89)

This commit modifies the hand-written tixiUIDCheckExists.m so that it now has a return parameter

fixes #84
DLR-SC/tixi,melven/tixi,melven/tixi,DLR-SC/tixi,DLR-SC/tixi,DLR-SC/tixi,melven/tixi,melven/tixi,melven/tixi,DLR-SC/tixi