Merge pull request #28 from fatschi/master

pending cleansing tests
Merge pull request #29 from fatschi/master

added new failing tests for mapping
Added constant expressions and ternary expressions to DataTransformation operator
Merge branch 'master' of github.com:AHeise/sopremo-cleansing
Fixed nested object accesses for data transformation
Fixed most data transformation tests
Fixed most data transformation tests
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing
Fixed data transform for multiple arrays
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing