GPTL Release 8.0.2

Many new features. Fortran capability now fully integrated into the release.
gptl.pc file created and installed for use by pkg-config.
Fully updated web pages and man pages. Web pages in the distribution are identical to those at github.com.
Auto-profiling now works on multiple platforms, along with some bugfixes.
Collision position in hash table automatically adjusted based on calling frequency. This can be a big performance enhancement for large auto-profiled codes.
Fixes for Mac include auto-profiling and usage of register read for wallclock timing.