• require DT 0.18 and DT::F::B 0.77
  
• recommend Test::Pod 0.95 and File::Find::Rule 0.24
  
• doc update
  
• test update
  
• fix bug in -YY spec
  
• default handling of 2-digit years is now 0-49 as 20xx and 50-99 as 19xx
  
• add DefaultCutOffYear()
  
• add DefaultLegacyYear()
  
• add base_datetime()
  
• add clone()
  
• add cut_off_year()
  
• add legacy_year()
  
• add new()
  
• add set_base_datetime()
  
• add set_cut_off_year()
  
• add set_legacy_year()