Fix and improve common.php ((see description)).

Add get_parse_str().
Add and fix a lot of phpDocs.
Improve varDumpRet.
Make some code styling.
Add debug mode for recursiveDegenerateArrOptimize().
Deprecate \Invntrm\Exception by \Invntrm\ExtendedException for generalizing reason (make codeExtended more general).
Fix and improve Mq.php ((see description)).

Build initial request params storage as request string initial storage extending.
Improve exception model usability (build on the \Invntrm exceptions base for getting codeExtended).
Fix DELETE request processing process (success deleting returns TRUE, nope deleting returns FALSE, mistake-delete throwing Exception).
Fix AlxMq::req sigma and params processing (make more obvious for humans).
Mq: 8.1 Change exceptions base! TODO CHECK using code catchers