extended testcase for ConditionalUniqueColumnCombination toString()
implemented pattern tableau
added \r  for line ending and update expected string in testcase
Merge branch 'SubsetGraph' into pattern_tableau
using pattern tableaus for result
#87 Tidy up DefaultFileInputGenerator constructor.
#87 Tidy up FileIterator constructor.
#103 Add unique constraint on algorithm name.
#103 Add test for unique constraint on algorithm name.
Merge branch 'master' into unique_algorithm_name
Merge branch 'master' into FileIterator_FileInputGenerator
Issue#243: implemented getters for table- and columnIdentifiers
Merge branch 'master' into FileIterator_FileInputGenerator
Merge branch 'master' into unique_algorithm_name
Merge branch 'master' into unique_algorithm_name
small toString() change
added copy() method to PositionListIndex
Merge branch 'master' into unique_algorithm_name
Merge branch 'master' into PositionListIndex
#204 Storing a data source returns the data source with an updated id. The id is set by the database.