Database: refactored to not to use PDO::FETCH_CLASS (BC break!)
tests: fixed compatibility with PHP 5.5 beta2
Database: removed Connection::exec(). Name is abbreviation and there is no need to have two methods (exec & query) with nearly the same behavior.
Merge pull request #919 from hrach/db-statement

Database: refactored to not to use PDO::FETCH_CLASS (BC break!)
Forms: removed SelectBox::areKeysUsed(), this is now internal matter of setItems()
Forms: better reporting for missing validation message [Closes #999]
Forms: added parameter $useKeys to RadioList::setItems() [Closes #1001] [Closes #997]
typos