Fix logging types to bool (#1051)

* fixes pydantic validations hierarchical

* more tests

* logger logs everything or not

* verbose rm levels to bool

* updated readme verbose levels

README.md

@@ -126,7 +126,7 @@ task2 = Task(
 crew = Crew(
   agents=[researcher, writer],
   tasks=[task1, task2],
-  verbose=2, # You can set it to 1 or 2 to different logging levels
+  verbose=True,
   process = Process.sequential
 )