set system configuration [0.22.0]

This version introduces multiple enhancements:

allow to set some system configuration that required usage of php methods

Details of additions/deletions below:
--------------------------------------------------------------

Modified:   /Lib/loader.php
            -- Added --
                _setBaseConfiguration set some system configuration (for now only mb_internal_encoding)
            -- Updated --
                __construct added usage of _setBaseConfiguration

Modified:   /Lib/config.ini
            -- Modified --
                changed version from 0.21.0 to 0.22.0