chore: re-license under MPL-2.0

align long flags in help menu

update example

support repeating positional parameters

update examples

fix broken links in go doc comments

allow parameter names to only contain numbers

add examples to readme and go doc package comment

print parse error to stderr

fix typo

simplify test syntax with inferred structs

add go doc comments

prevent users from defining --help flag

use Flag.Type as default value for Flag.ValueName

wrap required positionals with <> in usage

use Flag.ValueName in help menu

refactor parser, help, and help tests

rename files

add and refactor tests

remove DisableDoubleDash option