code: def user_update(self, display_name=None, first_name=None, last_name=None,
                      email=None, password=None, current_password=None,
                      birth_date=None, gender=None, website=None, subdomain=None,
                      location=None, newsletter=None, primary_usage=None,
                      timezone=None):
          
          return self.request("user/update", QueryParams({
              "display_name": display_name,
              "first_name": first_name,
              "last_name": last_name,
              "email": email,
              "password": password,
              "current_password": current_password,
              "birth_date": birth_date,
              "gender": gender,
              "website": website,
              "subdomain": subdomain,
              "location": location,
              "newsletter": newsletter,
              "primary_usage": primary_usage,
              "timezone": timezone
          }))
docs: user/update
  
          http://www.mediafire.com/developers/core_api/1.3/user/#update