[BUGFIX] Edge case http query string building

Fixes #682
Merge pull request #683 from cedricziel/i682

[BUGFIX] Edge case http query string building
[TER] 2.1.0
[TER] 2.1.1
[TASK] Allow additional typolink configuration on v:page.languageMenu
Merge pull request #684 from hmspl/typolink

[TASK] Allow additional typolink configuration on v:page.languageMenu