pmmlTransformations 1.3.0
	- Add FunctionXform
	- Add FunctionXform vignette
	- Edit to work with FunctionXform: DiscretizeXform, Initialize, MapXform, MinMaxXform, NormDiscreteXform, WrapData, ZscoreXform
	- DiscretizeXform: fix left interval issue and improve examples

pmmlTransformations 1.2.1
   - improve code structures
   - bug fixes: defaultValue should only be used for MapValues and DiscretizeBin expressions
   - new more informative error messages in MinMaxXform and ZScoreXform

pmmlTransformations 1.2.0.1
   - patch to optimize row data calculations
