2010-11-15 sto@iti.upv.es
* Version 1.2.
* Fixed possible memory leak when authentication fails, pam_end has to
be called to free memory (thanks to Neil Chintomby).
2009-01-26 sto@iti.upv.es
* Version 1.1.
* Fixed ngx_log_debugX calls, no we use the correct X value on each
call.
2008-09-17 sto@iti.upv.es
* Initial version (1.0).