Add private use code validity checking function
Add private use code validity checking function

ermshiperete/libpalaso,gtryus/libpalaso,ermshiperete/libpalaso,tombogle/libpalaso,sillsdev/libpalaso,tombogle/libpalaso,mccarthyrb/libpalaso,glasseyes/libpalaso,andrew-polk/libpalaso,gmartin7/libpalaso,gmartin7/libpalaso,glasseyes/libpalaso,mccarthyrb/libpalaso,sillsdev/libpalaso,andrew-polk/libpalaso,ddaspit/libpalaso,ermshiperete/libpalaso,mccarthyrb/libpalaso,gtryus/libpalaso,tombogle/libpalaso,ddaspit/libpalaso,gtryus/libpalaso,glasseyes/libpalaso,ermshiperete/libpalaso,tombogle/libpalaso,glasseyes/libpalaso,sillsdev/libpalaso,andrew-polk/libpalaso,gmartin7/libpalaso,andrew-polk/libpalaso,ddaspit/libpalaso,sillsdev/libpalaso,gtryus/libpalaso,mccarthyrb/libpalaso,ddaspit/libpalaso,gmartin7/libpalaso