Fixed #131 : Implement ExprToConditions

Fixed #130 : ArithmeticOperatorParser
Fixed #129 : python_wrapper : create_namespace
Fixed #128 : ExpressionParser: Cannot parse func(x) infixed concept 'xxx'

tests/core/test_SheerkaEvaluateConcept.py

@@ -1017,7 +1017,7 @@ class TestSheerkaEvaluateConcept(TestUsingMemoryBasedSheerka):
             "one",
             "number",
             Concept("x is a y", body="isa(x,y)", pre="is_question()").def_var("x").def_var("y"))
-
+        context.add_to_protected_hints(BuiltinConcepts.EVAL_QUESTION_REQUESTED)
         evaluator = SheerkaEvaluateConcept(sheerka)
 
         parsed_return_value = ExpressionParser().parse(context, ParserInput("one is a number"))
@@ -1026,7 +1026,6 @@ class TestSheerkaEvaluateConcept(TestUsingMemoryBasedSheerka):
         assert concept.get_compiled()["y"][0].body.body.get_hints().use_copy
 
         # get the body
-        context.add_to_protected_hints(BuiltinConcepts.EVAL_QUESTION_REQUESTED)
         evaluated = evaluator.evaluate_concept(context, concept, hints=EvaluationHints(eval_body=True))
         assert evaluated.get_compiled()["x"][0].body.body.get_hints().use_copy
         assert evaluated.get_compiled()["y"][0].body.body.get_hints().use_copy