Fixed #100 : SheerkaAdmin: Add builtins() command

Fixed #99 : SheerkaQueryManager: I can manage contains predicate when filtering objects
Fixed #97 : ERROR: list indices must be integers or slices, not Concept
Fixed #96 : SequenceNodeParser: SequenceNodeParser must correctly handle concept definition
Fixed #95 : ResolveAmbiguity must not remove concepts that do not require evaluation
Fixed #94 : Concepts with the same key are lost when new ontology
Fixed #93 : Introduce BuiltinConcepts.EVAL_GLOBAL_TRUTH_REQUESTED
Fixed #92 : ExpressionParser: Implement compile_disjunctions()
Fixed #91 : Implement get_concepts_complexity(context, concepts, concept_parts)
Fixed #90 : ResolveAmbiguity : where predicate is not used to resolve ambiguity
Fixed #89 : ResolveAmbiguityEvaluator: Concepts embedded in ConceptNode are not resolved
Fixed #88: SyaNodeParser: Parse multiple parameters when some of the are not recognized
Fixed #87: SyaNodeParser : Parse the multiple parameters

tests/non_reg/test_sheerka_non_reg2.py

@@ -13,6 +13,34 @@ class TestSheerkaNonRegMemory2(TestUsingMemoryBasedSheerka):
 
         res = sheerka.evaluate_user_input("question(foo is a foo)")
 
-        # assert len(res) == 1
-        # assert res[0].status
-        # assert res[0].value
+        assert len(res) == 1
+        assert res[0].status
+        assert res[0].value  # value is True since 'x is a foo' was chosen
+
+    def test_i_can_select_the_correct_concept_vs_bnf(self):
+        init = [
+            "def concept one as 1",
+            "def concept two as 2",
+            "def concept twenties from bnf 'twenty' (one|two)=unit as 20 + unit",
+            "def concept twenty two as 'specific occurrence'",
+        ]
+        sheerka = self.init_scenario(init)
+
+        res = sheerka.evaluate_user_input("eval twenty one")
+        assert res[0].value == 21
+
+        res = sheerka.evaluate_user_input("eval twenty two")
+        assert res[0].value == "specific occurrence"  # thanks to ExactConceptParser
+
+    def test_i_can_use_global_truth_when_calling_a_concept(self):
+        init = [
+            "def concept one",
+            "def concept number",
+            "def concept x is a y as set_isa(x, y)",
+        ]
+        sheerka = self.init_scenario(init)
+
+        res = sheerka.evaluate_user_input("global_truth(one is a number)")
+
+        assert res[0].status
+        assert sheerka.isa(sheerka.new("one"), sheerka.new("number"))