Fixed charset support for Pdo_Pgsql.
fix HeadLink docblock method declaration hints
Fix: Indentation of method arguments
Fix: More indentation
Add fail test case
Fix collection with element validation
Add error message assertion
Add assertion with fieldset inside collection
SessionManager fails validation on listeners that do not perform any operation
Session validator listeners should strictly fail when returning `false`
Merge branch 'Ocramius-hotfix/session-validation-listeners-null-return-values'

Close #6147
Zend\Db\Sql
- Fixed AbstractSql's processSubSelect to use decorators when calling getSqlString()
Merge branch 'ralphschindler-hotfix/5794'
Merge pull request #6141 from localheinz/bugfix/indentation

Fix: Indentation of method arguments
Merge branch 'hotfix/6141'

Close #6141
Merge pull request #6146 from blanchonvincent/hotfix/collection-with-element-validation

Collection validation with element as target element
Merge branch 'hotfix/6146'

Close #6146
Fixes #6115
Support shorthand Priority filter in Log\AbstractWriter

Update the AbstractWriter constructor to accept an int filter as supported by addFilter.
Consolidate AbstractTest PriortyFilter tests
Merge branch 'hotfix/6144'

Close #6144