resetChanges to undo changes in objects of class
sysBiolAlg made by applyChanges.## S3 method for class 'sysBiolAlg':
resetChanges(object, old_val)## S3 method for class 'sysBiolAlg_room':
resetChanges(object, old_val)
sysBiolAlg .applyChanges.TRUE will be returned.sysBiolAlg and applyChanges