More refactoring of addSequenceAlteration code.
More refactoring of addSequenceAlteration code.
GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test