Fix rendering of measure nos for multiRests
If an annotated measure contains a mei:multiRest
the measure number must be rendered as range (e.g. 1-11). This PR closes #266 (closed) and fixes that.
If an annotated measure contains a mei:multiRest
the measure number must be rendered as range (e.g. 1-11). This PR closes #266 (closed) and fixes that.