* Improved session cache's config parameters to reduce config file queries
* Removed unused methods
* Changed some SP_Crypt class methods to static and factorized some functions
* Added some stuff to demo mode
* Closes#45. LDAP users without group membership or expired and already saved data in MySQL, are not allowed to log in.
* New backup functionality without running external commands. Windows installations are supported. PHP Phar module required.
* New Active Directory mode for LDAP searches.