handle nl2br prop of text fields in panel forms
filter sorted content only by infoblock for different types of content in one list
Forms:
1. Compatibility of forms and fields with {wtf} tag
2. Select/radio input simple options array('key' => 'value') are converted to array('key' => array('name' => 'value')) to be interchangable with content essences
{wtf} / {help}:
1. protected against bad recursion
2. show current context type
3. show current level template