[#5769] Fix escaped special chars in urlencoded parameters string incorectly normalized.
fixed module loader to work with *.tar modules on Win 2008 R2
Minor CS fixes on top of #5729
Merge branch 'hotfix/#5729-windows-server-2008-tar-realpath'

Close #5729
Moving excluded special characters to constant as of #5771
Merge branch 'hotfix/#5771-escape-special-urlencoded-parameters-in-uri'

Close #5771