performance: do not instantiate the xml doc every time but only once
performance: more xml document preps
added override annotations for interface methods
and NEVER EVER should a library call System.exit() and cause termination of the application using it!
JRE belongs at the top
add a regex check to avoid subsequent parsing errors
synchronize w3c.dom stuff for thread safe access
better solution for thread safety
added catch for missing rule 002700
reset original resource paths
fix null pointer exception for foreign banks
Merge pull request #1 from maiksd/sdag_improvements

Performance and safety improvements