[BUGFIX] Fix LipsumViewHelper
Merge pull request #21 from beda/loremipsum

[BUGFIX] Fix LipsumViewHelper
[BUGFIX] 'hasSubPages' counts subpages which are hidden from menu 

Fixes an edge case when a page has only subpages which are all hidden from menu (nav_hide=1).

Fixes: #17
Merge pull request #22 from beda/menu_nav_hide

[BUGFIX] 'hasSubPages' counts subpages which are hidden from menu 
[DOC] Fixed a doc comment and argument description, Iterator / Sort ViewHelper
[TASK] Don't leak template variables from Iterator/Sort when using "as" argument
[FEATURE] Iterator / Reverse ViewHelper
[FEATURE] Add JSON de-/encode ViewHelpers
Merge pull request #23 from dreipunktnull/vh_json

[FEATURE] Add JSON de-/encode ViewHelpers