Fixed #68: Implement SheerkaQL

Fixed #70: SheerkaFilterManager : Pipe functions
Fixed #71: SheerkaFilterManager : filter_objects
Fixed #75: SheerkaMemory: Enhance memory() to use the filtering capabilities
Fixed #76: SheerkaEvaluateConcept: Concepts that modify the state of the system must not be evaluated during question

tests/parsers/parsers_utils.py

@@ -16,6 +16,7 @@ from parsers.BaseNodeParser import UnrecognizedTokensNode, SourceCodeNode, RuleN
 from parsers.FunctionParser import FunctionNode
 from parsers.PythonParser import PythonNode
 from parsers.SyaNodeParser import SyaConceptParserHelper
+from sheerkapython.python_wrapper import sheerka_globals
 from sheerkarete.common import V
 from sheerkarete.conditions import Condition, AndConditions, NegatedCondition, NegatedConjunctiveConditions
 
@@ -934,11 +935,18 @@ class FN:
 
 @dataclass()
 class NEGCOND:
+    """
+    Represents a NegatedCondition
+    """
     condition: str
 
 
 @dataclass()
 class NCCOND:
+    """
+    Represents a NegatedConjunctiveConditions
+    """
+
     conditions: List[str]
 
 
@@ -1319,11 +1327,8 @@ def get_rete_conditions(*conditions):
     def get_value(obj):
         if obj.startswith("#"):
             return V(obj[1:])
-        if obj.startswith("'"):
-            return obj[1:-1]
-        if obj in ("True", "False"):
-            return obj == "True"
-        return int(obj)
+
+        return eval(obj, sheerka_globals)
 
     res = []
     for cond in conditions: