hygiene, use arithmetic that's well-defined by the C std

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

* bld/clang:
  hygiene, use arithmetic that's well-defined by the C std
bump, release v0.1.4 is imminent

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
fix, PEBKAC, always succeed when using git describe to create version numbers in scmver_02.clit

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
bump, go back to git version numbers after v0.1.4 release

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