Feature: new setting "Show Question Descriptions" for horizontal/vertical question sections. Both "Show Question Titles" and "Show Question Descriptions" have new option "Question Setting" for individual question control.
Feature: new question rules 'Answer is empty' and 'Answer is not empty'.
Feature: custom stored values from dropdowns, checkboxes and radio buttons.
Feature: download submission PDF from backend.
Feature: custom layouts for frontend and backend submission PDFs.