Add RPM Lua function util.rsplit() for flexibly splitting strings into tokens based on regex.
Add RPM Lua function util.rsplit() for flexibly splitting strings into
tokens based on regex.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5