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

Changed package name to time.
Changed libraries and class name.
Modified part for core libraries.
All documentation changed to english language, and written missing documentation.
Also changed some code convention in the same files.

Details of additions/deletions below:
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Added:      /BLUE_FRAMEWORK/packages/time/simpleDate_class.php
            -- Modified --
                changed class name
                changed code conventions
                added documentation

Added:      /BLUE_FRAMEWORK/packages/time/date_class.php
            -- Modified --
                changed class name
                changed code conventions
                added documentation