Changes for version 0.23 - 2010-05-09
- Setup clean_files for gcov output files (*.gcov, *.gcno, *.gcda)
- Add cc_libs() for MakeMaker's LIBS option (currently, it is just an ailas to cc_append_libs())
- cc_append_libs (and then cc_libs) accepts raw arguments as "cc_libs qw(-L/path/to/libs -lfoo)" (lestrrat++)