Svut

A new argument `-fst` allows to dump FST waveform. Supported for both Icarus and Verilator. SV and C++ templates ready to use to support FST.

Prevent Additional Error Count Increment in UNIT_TEST_END 31

- Fix macro operator precedence problem (29)
- Fix svutRun.py execution if Git is not present in a system (28)

Macros to display `MSG`/`INFO`/`WARNING`/`CRITICAL`/`ERROR` now display file name and line number from where the macro is used

Added support for specifying tests dir

New release providing Pypi distribution and misc. fixes