Fixed#135: Change services service priorities
Fixed#136: ErrorManager: Implement recognize_error
Fixed#137: BNFNodeParser : Error when parsing regex with sub parsers
Fixed#138: get_last_errors(): real errors sources are lost
Fixed#139: OneError return value removes the origin of the error
Fixed#140: Concept variables are not correctly handled when parsing sub expression
Fixed#143: Implement has_unknown_concepts()
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)
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#49 : ExpressionParser: Implement ExpressionParser
Fixed#50 : Implement ReteConditionExprVisitor
Fixed#51 : Implement PythonConditionExprVisitor
Fixed#52 : SheerkaConceptManager: I can get and set concept property
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
Fixed#2 : Variables are not recognized when inside a rule token
Fixed#15 : Rule: rete attributes are lost when a new ontology is created
Fixed#14 : ReteNetwork: Format rules must not be added to Rete network
Fixed#16 : DefConcept: Variables are not recognized when they are keyword arguments
Fixed#4 : Comparison are not correctly set when comparison property is a concept
Fixed#14 : Parser: merge FunctionParser.NamesNode and ExpressionParser.NamesNode
Fixed#18 : Parser: Add SourceCodeNode test to UnrecognizedNodeParser
Fixed#20 : At startup Number concept is saved in db a numerous number of time
Fixed#21 : CacheManager: I can remove all elements from a ListIfNeededCache and fill it again
Fixed#22 : CacheManager: I can remove all elements from a SetCache and fill it again
Fixed#23 : HistoryManager: history() no longer works
Fixed#24 : HistoryManager: history() no longer works after creating an exec rule
Fixed#25 : SheerkaMemory: Use MemoryObject instead of sheerka.local
Fixed#26 : Debugger: add the list all available services..
Fixed#27 : CONCEPTS_GRAMMARS_ENTRY does not seems to be in use any more
Fixed#28 : Give order to services
kodjo