Add lastIndex() to tinyvector.
Add lastIndex() to tinyvector.

keir/libmv,libmv/libmv,Nazg-Gul/libmv,SoylentGraham/libmv,rgkoo/libmv-blender,SoylentGraham/libmv,Nazg-Gul/libmv,keir/libmv,rgkoo/libmv-blender,petertsoi/libmv,keir/libmv,Nazg-Gul/libmv,petertsoi/libmv,SoylentGraham/libmv,libmv/libmv,Nazg-Gul/libmv,rgkoo/libmv-blender,petertsoi/libmv,rgkoo/libmv-blender,SoylentGraham/libmv,Nazg-Gul/libmv,keir/libmv,libmv/libmv,libmv/libmv,petertsoi/libmv,rgkoo/libmv-blender