Merge branch 'rs/parse-options-precision'

Define .precision to more canned parse-options type to avoid bugs coming from using a variable with a wrong type to capture the parsed values. * rs/parse-options-precision: parse-options: add precision handling for OPTION_COUNTUP parse-options: add precision handling for OPTION_BITOP parse-options: add precision handling for OPTION_NEGBIT parse-options: add precision handling for OPTION_BIT parse-options: add precision handling for OPTION_SET_INT parse-options: add precision handling for PARSE_OPT_CMDMODE parse-options: require PARSE_OPT_NOARG for OPTION_BITOP