text: Title: Duplicated function/method
  Body: This function already exists on the object, why add an identical one inside the function?
  https://github.com/kennethreitz/responder/blob/78b5bef879380146d0bf14b35e0fd618d9694971/responder/api.py#L645-L647
  
  **Original definition:**
  https://github.com/kennethreitz/responder/blob/78b5bef879380146d0bf14b35e0fd618d9694971/responder/api.py#L624-L627