checking global variable names
This version introduces multiple enhancements:

added checking variable names from global arrays to secure script

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

Modified:   /BLUE_FRAMEWORK/cfg/config.xml
            -- Added --
               regular expression to check variable name
            -- Modified --
               regular expression for checking classic url

Modified:   /BLUE_FRAMEWORK/cfg/lang/core_error_en-GB.php
            -- Added --
               core_error_25 (wrong key name for variable) translation

Modified:   /BLUE_FRAMEWORK/cfg/lang/core_error_pl-PL.php
            -- Added --
               core_error_25 (wrong key name for variable) translation

Modified:   /BLUE_FRAMEWORK/packages/CORE/globals_class.php
            -- Added --
               _checkKey to check with regular expression variable name
            -- Modified --
               __get, __set, _add, run, set, clear, move, single to check key string
Add tracer library to critic error display (issue #74)
This version introduces multiple enhancements:

added checking variable names from global arrays to secure script

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

Modified:   /BLUE_FRAMEWORK/packages/CORE/error_class.php
            -- Modified --
               fatal added tracer message if debug is on
               render added tracer message if debug is on