Feat/sliding context window (#1042)

* patching for non-gpt model

* removal of json_object tool name assignment

* fixed issue for smaller models due to instructions prompt

* fixing for ollama llama3 models

* WIP: generated summary from documents split, could also create memgpt approach

* WIP: need tests but user inputted summarization strategy implemented - handling context window exceeding errors

* rm extra line

* removed type ignores

* added tests

* handling n to summarize prompt

* code cleanup, using click for cli asker

* rm not used class

* better refactor

* reverted poetry lock

* reverted poetry.locl

* improved context window exceeding exception class

src/crewai/utilities/__init__.py

@@ -7,6 +7,9 @@ from .parser import YamlParser
 from .printer import Printer
 from .prompts import Prompts
 from .rpm_controller import RPMController
+from .exceptions.context_window_exceeding_exception import (
+    LLMContextLengthExceededException,
+)
 
 __all__ = [
     "Converter",
@@ -19,4 +22,5 @@ __all__ = [
     "Prompts",
     "RPMController",
     "YamlParser",
+    "LLMContextLengthExceededException",
 ]