* started with release 0.3.2
* added 'ecoxipy.decorators.html5cats'
* now using 'tinkerpy.metaclass' to use metaclasses
* no longer using abstract classes in 'ecoxipy.pyxom'
* updated Readme.md
* better solution for ecoxipy.pyxom._attribute.NamespaceNameMixin
* portable metaclass-use using 'tinkerpy.metaclass'
* no more abstract base classes for PyXOM
* added 'ecoxipy.validation'
* continued on validation
* added ecoxipy.validation.ValidationError
* added transformation
* added ecoxipy.transformation.PyXOMTransformer
* more documentation of ecoxipy.transformation and better Python 2 and 3 compatibility
* changed isinstance-checks in ecoxiy.pyxom.Document to __class__ is X checks
* continued on ecoxipy.transformation