www/inc/http.inc.php: added ...
www/inc/http.inc.php: Seems to be ready ...
file_get_contents() replaced by http_receive() ...
Error handling improved ...
www/inc/oauth2.inc.php: Towards Token errors ...
Restructering OAuth2 stuff ...
OAuth2: Full CURL+Error support ...
Merge pull request #67 from NochEinDirk/my-contribution

New dependency: CURL added for full OAuth2 error handling ...