use namespaces, part 9 [0.2.0]

This version introduces multiple enhancements:

Core_Image changed to use namespaces

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

Modified:   Lib/Core/Image/Helper/Image.php
            -- Added --
                usage of Exception and Core\Image\Helper namespace
            -- Updated --
                placeImage new class name

Modified:   Lib/Core/Image/etc/config.ini
            -- Modified --
                changed version from 0.1.0 to 0.2.0