Merge branch 'ps/parse-options-integers'

Update parse-options API to catch mistakes to pass address of an integral variable of a wrong type/size. * ps/parse-options-integers: parse-options: detect mismatches in integer signedness parse-options: introduce precision handling for `OPTION_UNSIGNED` parse-options: introduce precision handling for `OPTION_INTEGER` parse-options: rename `OPT_MAGNITUDE()` to `OPT_UNSIGNED()` parse-options: support unit factors in `OPT_INTEGER()` global: use designated initializers for options parse: fix off-by-one for minimum signed values