code: func (c *Ctx) RequestStart(w http.ResponseWriter, r *http.Request) {
  	c.request = r
  	c.response.reset(w)
  	c.params = c.params[0:0]
  	c.queryParams = nil
  	c.netContext = context.Background() // in go 1.7 will call r.Context(), netContext will go away and be replaced with the Request objects Context
  	c.index = -1
  	c.handlers = nil
  	c.formParsed = false
  	c.multipartFormParsed = false
  }
docs: // RequestStart resets the Context to it's default request state