keyDataChanged fix

This version introduces multiple enhancements:

fixed comparation between data set up in DATA array and data stored in originalDATA

Details of additions/deletions below:
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Modified:   Base/BlueObject.php
            -- Updated --
                keyDataChanged compare operator changed to more strict (from != to !==)

Modified:   composer.json
            -- Modified --
                changed version from 0.2.4 to 0.2.5
Merge pull request #41 from chajr/fix

keyDataChanged fix