Rework iter and add next

Author: zmoody

pynetbox/core/response.py

@@ -78,16 +78,16 @@ def __init__(self, endpoint, request, **kwargs):
         self._response_cache = []
 
     def __iter__(self):
-        for i in self._response_cache:
-            yield self.endpoint.return_obj(i, self.endpoint.api, self.endpoint)
+        if self._response_cache:
+            yield self.endpoint.return_obj(
+                self._response_cache.pop(), self.endpoint.api, self.endpoint
+            )
         for i in self.response:
             yield self.endpoint.return_obj(i, self.endpoint.api, self.endpoint)
 
     def __next__(self):
-        for i in self._response_cache:
-            return self.endpoint.return_obj(i, self.endpoint.api, self.endpoint)
-        for i in self.response:
-            return self.endpoint.return_obj(i, self.endpoint.api, self.endpoint)
+        for i in self:
+            return i
 
     def __len__(self):
         try: