Fixed #30 : Add variable support in BNF concept definition

Fixed #31 : Add regex support in BNF Concept
Fixed #33 : Do not memorize object during restore

src/parsers/PythonParser.py

@@ -30,6 +30,10 @@ class PythonErrorNode(ParsingError):
 
 @dataclass()
 class ConceptDetectedError(ParsingError):
+    """
+    When the Python parser finds an identifier, and that identifier is a concept
+    So it's not for the PythonParser to respond
+    """
     name: str