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
Fixed#35 : Refactor test helper class (CNC, CC, CIO)
Fixed#36 : Concept values are not used when declared with variable expression
Fixed#37 : Objects in memory lose their values are restart
Fixed#38 : func(a=b, c) (which is not allowed) raise an exception