• enforcing field naming convention to reduce margin for error
  
• refactored and decoupled main validation routine
  
• added has() method to V::C::Collection
  
• various POD updates
  
• major engine refactoring
  
• renamed set_field_value to set_fields
  
• renamed default_field_value to get_value
  
• changed set_params
  
• remembered (+documented) why we dont reap cloned fields