Beta v0.0.2

- renamed operator to Extract Gender
- ? how to change group from Onomastics to an existing group 'Data
Transformation/Attribute Set Reduction and Transformation/Generation' ?
currently it creates dupplicate 'Data Transformation/Attribute Set
Reduction and Transformation/Generation' group
- ? how to set the color ? seems the color would be taken from the group
- renamed APIKey attribute to api_key, etc.
- clarified statement on free version
- created drop down list for Countries
- changed visibility of attributes to Beginners as well
- renamed nameSet to 'example set input' etc.
- generated meta data using MDTransformationRule
- added additional parameters to allow the user to select source
attributes for first and last name
- country selection can be row based by specifying an additional column
containing the country
- the country selection parameter is only used where missing values in
the country column
- added optional parameters so that the user is able to specify the
output attributes’ names
- ? how to handle such errors : missing Values need to be treated as
they are now crashing the operator ? should I throw an exception, log
the error or return 'unknown' in the result?
- added a button in the parameters to actually open a browser to acquire
a professional key