Added first version of DebugManager. Implemented draft of the rule engine

tests/TestUsingMemoryBasedSheerka.py

@@ -1,3 +1,4 @@
+from core.concept import ALL_ATTRIBUTES
 from core.sheerka.Sheerka import Sheerka
 
 from tests.BaseTest import BaseTest
@@ -9,23 +10,28 @@ class TestUsingMemoryBasedSheerka(BaseTest):
 
     @staticmethod
     def _inner_get_sheerka(cache_only):
+        ALL_ATTRIBUTES.clear()
         sheerka = Sheerka(cache_only=cache_only)
-        sheerka.initialize("mem://", save_execution_context=False)
+        sheerka.initialize("mem://", save_execution_context=False, enable_process_return_values=False)
         return sheerka
 
     def get_sheerka(self, **kwargs):
         cache_only = kwargs.get("cache_only", True)
         use_singleton = kwargs.get("singleton", True)
+        reset_attrs = kwargs.get("reset_attrs", True)
 
         sheerka = kwargs.get("sheerka", None)
         if sheerka:
             return sheerka
 
+        if reset_attrs:
+            ALL_ATTRIBUTES.clear()
+
         if use_singleton:
             singleton_instance = TestUsingMemoryBasedSheerka.singleton_instance
             if singleton_instance:
                 singleton_instance.reset(cache_only)
-                singleton_instance.cache_manager.init_from(TestUsingMemoryBasedSheerka.dump)
+                singleton_instance.cache_manager.init_from_dump(TestUsingMemoryBasedSheerka.dump)
                 return singleton_instance
             else:
                 new_instance = self._inner_get_sheerka(cache_only)