StorageReader: Add method to check for next control word. This allows to use a while loop and check for the end of file.
Add exception to the nextInt() method for better debugging if a String can't be casted.
MapCreator: Change the createMap() and nextField() method so they will support a dynamic amount of Fields.
Fix various errors connected with the CardCreator
most errors introduced in commit b80e42672868487d3d297ebb1f5638ce46fa085e and b7d3a89d4edccacbe7291cf86103e76ba3ee7d9d
Add TODO
FieldCreationException: Improve error message.
Go: Fix name