hacking.utf8 -> HACKING && spelling
LICENSE: Formating only, (from http://www.gnu.org/licenses/gpl.txt)

Diff for more details ...
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www/inc/common.inc.php: Checking .HTACCESS for ErrorDocument directive
OAuth2 #58: Session variables well set ...
Merge pull request #61 from NochEinDirk/my-contribution

Towards OAuth #58 ...