test, provide regression tests for ddiff with @stamp bug

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, calculate difference between dt_dt_s objects and sexies properly

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bug/ddiff-and-@stamp'

* bug/ddiff-and-@stamp:
  minor, calculate difference between dt_dt_s objects and sexies properly
  test, provide regression tests for ddiff with @stamp bug
hygiene, compare dt_dttyp_t's with one another

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bug/ddiff-and-@stamp'

* bug/ddiff-and-@stamp:
  hygiene, compare dt_dttyp_t's with one another
chore, use yuck automake and make helpers

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'feat/go-yuck'

* feat/go-yuck:
  chore, use yuck automake and make helpers