mainly testing and bugfixing
-added hashcode() and equals() to ResultValue
-added ExceptionHandling-tests
-added note to if-branch-visitor
Commented out some out-dated JUnit-tests to get rid of some errors
added some JUnit tests, JavaDoc and did some minor changes
Removed out-dated test files.
Merge branch 'master' of https://github.com/Seitenbau/jca.git