fix code and re-enable tests for php <8

add Catalan localization

Merge pull request #176 from getopt-php/phpunit-upgrade

Phpunit upgrade

Merge pull request #173 from jonasraoni/bugfix/main/171-fix-exception

#171 Fixed uncaught exception and deprecation warning

add php8 unit tests to ci

Merge pull request #169 from getopt-php/type-declarations

Add type declarations and remove deprecated methods

Merge pull request #150 from getopt-php/feature/commands-with-spaces

feature: allow commands to have spaces

Merge pull request #153 from exussum12/patch-1

Add git attributes file

Merge pull request #144 from glami/long-option-lower-min-chars-to-1

Long option can now be 1 character short

Merge pull request #139 from getopt-php/issue-136

accept any value for options with required argument