Fix identification of identifier for error report. Setting it to null if the previous attempt was successfull already obviously was a flaw. Using the wrong key HAUPTPROBEN_NR probably could have been avoided by usage of appropriate constants.

# use glob syntax.
syntax: glob

*.class
*.orig
.classpath
.gitignore
.factorypath
.gitignore
.project
*.swp
*.swo
*~
TAGS

# intellij support - ignore *.iml, .idea
.idea
*.iml

# switch to regexp syntax.
syntax: regexp
^target/
^.settings