merged cParamsCanal and ParamsSection
Structures are now only defined by their LoiDebit (no more StructureType)
Session : fixed serialization of lately registered Nubs
Sections are now defined by a CalculatorType and a NodeType
fixed bug in findFirstSingleParameter
added tests for session serialisation

added jasmine tests (indirect linked parameters, value modes consistency)
improved session management
protection against special "Pr" case in many parameter iterations
fixed many parameters-related bugs in Section / Remous / Strcuture