Added support for prepared statements
Fixed bug in GridViewColumn where not referencing correct subitted variable

Fixed bug in GridViewColumn where not referencing correct subitted
variable
Added GridViewFilterBase::getValue()

Added GridViewFilterBase::getValue()
Cleaned filters
Fixed bug in GridViewStringFilter on ajax posts, loosing focus
Added new filters
Added GridViewFilter::textField and GridViewFilter::valueField

Added GridViewFilter::textField and GridViewFilter::valueField
Added GridViewDropDownList::textField and GridViewDropDownList::valueField

Added GridViewDropDownList::textField and
GridViewDropDownList::valueField
Changed GridView::onUpdateAjax() now updates only tbody element unless specified

Changed GridView::onUpdateAjax() now updates only tbody element unless
specified
Moved applyFilterAndSort() to the preRender event