SourceSection moved to api.source package

- SourceFactory was removed, and replaced by methods on Source

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Changed stack traversal to use new API, getCallerFrame should be the right thing

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Use the new splitting

Signed-off-by: Stefan Marr <git@stefan-marr.de>