anchor.diff:  This section describes about the Coupon
   
   
  -## Coupon [/coupon/{id}]
  +## Coupon [/coupons/{id}]
   This resource represents one particular coupon identified by its *id*.
   
   + Model (application/json)
  
positive.code: This section describes about the Achievement
  
  
  ## Achievement [/achievement/{id}]
  This resource represents one particular achievement identified by its *id*.
  
  + Model (application/json)
  
negative.code:     [Level][]
  
  
  ## Level Collection [/levels]
  Collection of levels.
  
  + Model (application/json)
  