set ID
Sets the id to new.
Throws
if new already exists within the MutableGenome that contains this
if new is null and this feature has children.
if new is null and this feature a multiplicity greater than 1.
Sets the id to new.
if new already exists within the MutableGenome that contains this
if new is null and this feature has children.
if new is null and this feature a multiplicity greater than 1.