More 0th. STL vector accesses checked in FarSubdivisionTables factories.
More 0th. STL vector accesses checked in FarSubdivisionTables factories.

fixes #155

poljere/OpenSubdiv,c64kernal/OpenSubdiv,takahito-tejima/OpenSubdiv,shengfuintel/OpenSubdiv,xldeveloper/OpenSubdiv,jcowles/OpenSubdiv,c64kernal/OpenSubdiv,poljere/OpenSubdiv,poljere/OpenSubdiv,shengfuintel/OpenSubdiv,lookup1980/OpenSubdiv,lookup1980/OpenSubdiv,c64kernal/OpenSubdiv,anshuarya/OpenSubdiv,shengfuintel/OpenSubdiv,anshuarya/OpenSubdiv,xldeveloper/OpenSubdiv,nyotis/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,jcowles/OpenSubdiv,takahito-tejima/OpenSubdiv,anshuarya/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,jcowles/OpenSubdiv,takahito-tejima/OpenSubdiv-exp,xldeveloper/OpenSubdiv,nyotis/OpenSubdiv,lookup1980/OpenSubdiv,takahito-tejima/OpenSubdiv,nyotis/OpenSubdiv,takahito-tejima/OpenSubdiv-exp