Preserve signatures when updating binds.
Preserve signatures when updating binds.

SAdams601/HaRe,RefactoringTools/HaRe,SAdams601/HaRe,mpickering/HaRe,kmate/HaRe,RefactoringTools/HaRe,SAdams601/HaRe,kmate/HaRe,RefactoringTools/HaRe,kmate/HaRe,mpickering/HaRe,mpickering/HaRe