Version bump(s). 

Version bump 

Update composer.json Packaging version bump.

Version bump 

PHP 7.2 backwards compatibility, PHP 8.1 friendly. 

Fixed a bug which was introduced when switching to `http_build_query`… … for query string encoding where repeated parameters would adopt named indexes. Library now defaults to omitting numeric indexes, which can be re-enabled with the `build_indexed_queries` boolean option. Original tests now pass, additional tests added to verify integrity of regex hack.

Version bump 

Prevent lookup of undefined key in header array while parsing. Respon… …se parsing logic priority tweak.

A typo, but a consistent typo... 

Version bump for autoload support, installation documentation.