Added class ArrayHelper
Format currency with non-breakable space
Added AbstractMemberModel
Added AbstractModel::queryForArray() and queryForResult()
Added ArrayHelper::insert() and insertBefore()
Renamed lib folder to library
AbstractModel::toArray() now includes the label if not set manually
Added AbtractMemberModel::toArray()
Added class AbstractFilter
Bugfix in FragmentTemplate if multiple items are empty
AbstractModel can now optionally translate itself in BE, too
Added render_callback to parentValue widget