Suggest dependencies
Fixes #4460
Fixes #4461
Move Zend\Form from "require" to "suggest"
Cache: Implemented BlackHole adapter
Extend NumberFormat filter
Rename Number filter to NumberParse

As suggested by @denixport.
Register NumberParse filter in FilterPluginManager
Cache: The BlackHole adapter should implement all possible interfaces
Remove package annotation

As suggested by @samsonasik.
Fix condition
Change order of inheritance
Fix CS
Update PhpDoc comment
Revert change
Fix name of test
Remove unknown invokables from FilterPluginManager
Fill SharedEventManager events with identifiers
Add tests for proper Checkbox checked/unchecked value handling
Allow Checkbox to return the intended value instead of a boolean when checked/unchecked
Fix priority not handled in AggregateHydrator
fix docblocks : Zend_ should be Zend\