Removing LangChain and Rebuilding Executor (#1322)

* rebuilding executor

* removing langchain

* Making all tests good

* fixing types and adding ability for nor using system prompts

* improving types

* pleasing the types gods

* pleasing the types gods

* fixing parser, tools and executor

* making sure all tests pass

* final pass

* fixing type

* Updating Docs

* preparing to cut new version

src/crewai/utilities/rpm_controller.py

@@ -52,7 +52,7 @@ class RPMController(BaseModel):
             self._timer = None
 
     def _wait_for_next_minute(self):
-        time.sleep(60)
+        time.sleep(1)
         self._current_rpm = 0
 
     def _reset_request_count(self):