minor, use UO_STREAM to open ute files, if supported

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
hygiene, use unsigned int for comfort, then cast on ass'ment

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
hygiene, cast to slot type upon ass'ment

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

* code/hygiene:
  hygiene, cast to slot type upon ass'ment
  hygiene, use unsigned int for comfort, then cast on ass'ment
Merge branch 'feat/ute-stream'

* feat/ute-stream:
  minor, use UO_STREAM to open ute files, if supported