Fixed#77 : Parser: ShortTermMemoryParser should be called separately
Fixed#78 : Remove VariableNode usage
Fixed#79 : ConceptManager: Implement compile caching
Fixed#80 : SheerkaExecute : parsers_key is not correctly computed
Fixed#81 : ValidateConceptEvaluator : Validate concept's where and pre clauses right after the parsing
Fixed#82 : SheerkaIsAManager: isa() failed when the set as a body
Fixed#83 : ValidateConceptEvaluator : Support BNF and SYA Concepts
Fixed#84 : ExpressionParser: Implement the parser as a standard parser
Fixed#85 : Services: Give order to services
Fixed#86 : cannot manage smart_get_attr(the short, color)
