Refactored to use cached_asts in Concepts, rather than setting up a value directly

core/concept.py

@@ -293,3 +293,16 @@ class Property:
 
     def __hash__(self):
         return hash((self.name, self.value))
+
+
+@dataclass()
+class DoNotResolve:
+    """
+    This class is used to that the metadata (or the prop) of the concept must not be evaluated
+    thru sheerka.execute
+
+    For example, if you want to set a value to the BODY that will not change when
+    when the concept will be evaluated,
+    set concept.cached_asts[BODY] to DoNotResolve(value)
+    """
+    value: object