Mark sts>get_caller_identity as implemented
Mark sts>get_caller_identity as implemented

Seems like it's implemented but not marked
spulec/moto,spulec/moto,william-richard/moto,spulec/moto,spulec/moto,william-richard/moto,spulec/moto,william-richard/moto,william-richard/moto,spulec/moto,william-richard/moto,william-richard/moto