Fixed some channel related stuff.
Framework related
- Added: Allow clearing of search history or history items (Fixes #1874).
GUI/Settings/Language related
- Fixed: Show notification on logon failure (Fixes #1842).
- Fixed: Show notification on logon failure (Fixes #1842).
Channel related
- Fixed: NPO 'Recent' items broke if there were too many season results (Fixes #1871).
- Fixed: Tweede kamer streams broke (Fixes #1872).
- Fixed: SVT date parsing.
- Changed: Make login optional for NPO (See #1842).
