Change documentation (issue #7)
This version introduces multiple enhancements:

Modified part for core libraries.
All documentation changed to english language, and written missing documentation.
Also changed some code convention in the same files.
__construct method split and fixed some small errors

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

Modified:   /BLUE_FRAMEWORK/packages/CORE/controller_class.php
            -- Modified --
               renamed class from controler_class to controller_class
               changed code conventions
               added documentation

Modified:   /BLUE_FRAMEWORK/packages/CORE/core_class.php
            -- Modified --
               changed code conventions
               added documentation
            -- Added --
               $_lang variable
               _otherPage method
               _checkErrors method
               _htmlPage method
               _runBaseObjects method
               _checkTechBreak method
               _setLanguage method
               _setEmptyOtherRender method
               _transformGlobalArrays method

Modified:   /BLUE_FRAMEWORK/packages/CORE/display_class.php
            -- Modified --
               changed code conventions
               added documentation

Modified:   /BLUE_FRAMEWORK/packages/CORE/error_class.php
            -- Modified --
               changed code conventions
               added documentation

Modified:   /BLUE_FRAMEWORK/packages/CORE/exception_class.php
            -- Added --
               packageException::show method content
            -- Modified --
               changed code conventions
               added documentation

Modified:   /BLUE_FRAMEWORK/packages/CORE/globals_class.php
            -- Modified --
               changed code conventions
               added documentation

Modified:   /BLUE_FRAMEWORK/packages/CORE/lang_class.php
            -- Modified --
               changed code conventions
               added documentation