[FEATURE] Add endLevel parameter on menu ViewHelpers
Merge pull request #92 from dreipunktnull/breadcrumbs

[FEATURE] Add endLevel parameter on menu ViewHelpers
[BUGFIX] Remove duplicate argument initialization
Merge pull request #93 from dreipunktnull/master

[BUGFIX] Remove duplicate argument initialization
[FEATURE] Add 6.0 compatibility
[TASK] Remove obsolete singleton implementation
Merge pull request #94 from dreipunktnull/master

[FEATURE] Add 6.0 compatibility
Merge pull request #95 from NamelessCoder/master

[FEATURE] Add attribute "fail" on SingleMath ViewHelpers