Method __toString() must return a string value
Forms: getHttpData() always returns array [Closes #531]
Forms: fix removeGroup if control is in container
Forms: allow adding errors in onValidate event
Presenter: fixed throwing of confusing exception
Debugger: Fixed PHP Warning encoding error
Session: added validation for session ID value [Closes #965]
Database: added tests for reseted resultset iterator
Database: fixed reseted resultset iterator
Database: enhanced iterator reseting
Database: updated and enhanced database test data
Database: added new database caching test
Database: fixed reinvalidating data in execute() state of execution.
Database: added test for caching joining column in case of empty join resultset
Database: fixed caching joining column in case of empty join resultset
DiscoveredReflection: removed reference from getHasManyReference() and getBelongsToReference() [Closes #921]
Database: throws exception from wrong namespace #681
Database: Selection::find() will be renamed to wherePrimary()
Database: implemented reflection exceptions
Database: added tests for reflection exceptions