Merge branch 'testcode-secedit' of https://github.com/LarsGit223/dokuwiki into LarsGit223-testcode-secedit

* 'testcode-secedit' of https://github.com/LarsGit223/dokuwiki:
  do not hide fatal exceptions during unit tests
  never redirect from a redirect action
  undo unecessary action routing adjustments
  Test code for workflow 'show - sectionedit - save/cancel' (with modifications in test classes and 'send_redirect()' and 'act_dispatch()'.