fixed bug in accessor: and added a convenience method to add multiple accessors
fixed bug in accessor: and added a convenience method to add multiple accessors

fjolnir/Tranquil,gabrielPeart/Tranquil,gabrielPeart/Tranquil,gabrielPeart/Tranquil,fjolnir/Tranquil,gabrielPeart/Tranquil,fjolnir/Tranquil,fjolnir/Tranquil,gabrielPeart/Tranquil,gabrielPeart/Tranquil,fjolnir/Tranquil,fjolnir/Tranquil