[BUGFIX] Don't re-dispatch content-length in debug mode
[BUGFIX] Menu vh must respect language_mode
Merge pull request #559 from hmspl/language_mode

[BUGFIX] Menu vh must respect language_mode
Merge pull request #558 from bjo3rnf/debugrendering

[BUGFIX] Don't re-dispatch content-length in debug mode
[BUGFIX] Allow sysfolder as subpages in vhs menu helpers