Implemented a first and basic version of a Rete rule engine

tests/evaluators/test_PythonEvaluator.py

@@ -3,6 +3,7 @@ import ast
 import pytest
 
 from core.builtin_concepts import ReturnValueConcept, ParserResultConcept, BuiltinConcepts
+from core.builtin_helpers import CreateObjectIdentifiers
 from core.concept import Concept, CB
 from core.sheerka.services.SheerkaConceptManager import SheerkaConceptManager
 from core.sheerka.services.SheerkaExecute import ParserInput
@@ -26,7 +27,7 @@ def return_return_value(status):
 def get_source_code_node(source_code, concepts=None):
     if concepts:
         for concept_name, concept in sorted(concepts.items(), key=lambda kv: len(kv[0]), reverse=True):
-            identifier = "__C__" + PythonWithConceptsParser.sanitize(concept.name)
+            identifier = "__C__" + CreateObjectIdentifiers.sanitize(concept.name)
             if concept.id:
                 identifier += "__" + concept.id
             identifier += "__C__"