test, add regression tests for scmver command

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, output version number if input file is NULL or a directory

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, add description of scmver command

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'test/scmver'

* test/scmver:
  chore, add description of scmver command
  minor, output version number if input file is NULL or a directory
  test, add regression tests for scmver command
test, add regressions for whitespace==segfault bug

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
fix, PEBKAC, don't consider small lines with just whitespace as option

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bug/whitespace-lines-cause-segfault'

* bug/whitespace-lines-cause-segfault:
  fix, PEBKAC, don't consider small lines with just whitespace as option
  test, add regressions for whitespace==segfault bug
chore, kill scmver description behind the options

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>