[ADD] advanced_filters
[FIX] flake8
[FIX] use safe_eval instead of const_eval
[FIX] call toggle with a boolean
[FIX] wording
[ADD] advanced filters: translations
[IMP] better wording
[IMP] reorder filters
[FIX] translated string
[FIX] typo in comment, pass context
[FIX] show correct menu items after reordering
[FIX] advanced filters not visible when switching views
[REN] rename to web_advanced_filters
[FIX] do the renaming properly
[ADD] duplicate saving new filters to menu (usability)
[FIX] use safe_eval to account for names like False
[FIX] cope with faulty expressions in filters
[ADD] hide advanced filter menu if there is no filter and nothing
checked
Merge pull request #29 from hbrunn/7.0-advanced_filters

[ADD] advanced_filters