Wechsel zu Java 1.7.
Definition eines Validators.
Builing an infrastructure for validation.
Now it's possible to create ordered Buildset, 
so that foreignkeys will be recognized.
Generator zum Erzeugen der RowBuilder.
Handle NotNullColumns
Added information about the primary key.
Unnecessary class deleted, better use 
new FilteredDataSet(orderedTableNames, dataSet).
Follow more the naming convention of DBUnit.
Added me to the developers.
Improve CustomRowBuilderGenerator and create an Writer.
Added a TODO.
Now the user have the choice if NullVlaues should be initialized.
Creating interface DataSetManipulator
Added possibility to define the identifier-columns.
Added the possibility to manipulate a dataset.