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#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