Added failing tests for attribute translation
Implementation of the attribute translation

There is some chance that some application will not work correctly anymore
if the application depend on the value of a <input type="submit"> button.
They shouldn't (they are basically booleans), anyway.
Merge pull request #65 from melmothx/topic/attribute-localized

Topic/attribute localized
Bump up version number.
Prepare Changes and README files for upcoming release.