BugFix for hasAcl and hasRole: Both method  ignore default member variables
Replace all is_null($value) calls with null === $value
or alternativly null !== $value
for consistency in the framework
BugFix for hasAcl and hasRole: Both method  ignore default member variables
Added __DIR__ to make the class cacheable
Relax Explode validator isValid value type, defer to bound validator
added braces to null comparison
Refactoring as its described in https://github.com/zendframework/zf2/pull/3530
Refactoring as its described in https://github.com/zendframework/zf2/pull/3530
Fix for the issue 3541
Changed the get/setSalt in Mcrypt and BlockCipher + added the setKey in Filter\Encrypt and Filter\Decrypt
Moved the setSalt outside the loop in testEncryptDecrypt
Added the getOriginalSalt() in Mcrypt and BlockCipher
Fixed CS issue
Merge branch 'master' of git://github.com/zf2timo/zf2 into hotfix/3530
[#3530] CS fixes

- Update logical conditions; logical operators go on next line; open
  brace on next line when you have multi-line conditions
- Add file-level docblock to test class
Merge branch 'hotfix/3530'

Close #3530
Fixes #3507
Merge branch 'fix/explode-validator' of git://github.com/cgmartin/zf2 into hotfix/3527
Merge branch 'hotfix/3527'

Close #3527
Fixes #2726
Merge branch 'null' of git://github.com/prolic/zf2 into hotfix/3520
[#3520] Remove yoda conditions in null checks in DB

- per @ralphschindler