Merge branch 'update-readme' into pu

* update-readme:
  README.md: Add SYNOPSIS and INSTALLATION
Merge branch 'exit0' into pu

* exit0:
  Add check for complete test numbers at exit
Merge branch 'bailout' into pu

* bailout:
  Add new function BAIL_OUT
Merge branch 'enhance-tests' into pu

* enhance-tests:
  t: Add tests for 'tests' and 'done_testing'
  t: Add tests for skip_all
  Fix skip_all output to comply TAP
  t: Add new tests for cmp_ok
  Fix 'exit' in test code exits test harness
  t: Add new tests for loading
  t: Make variables one-test per line basis