strings: faster clone-like when both arguments are strings.
strings: faster clone-like when both arguments are strings.

slavapestov/factor,AlexIljin/factor,dch/factor,nicolas-p/factor,tgunr/factor,tgunr/factor,bpollack/factor,nicolas-p/factor,nicolas-p/factor,nicolas-p/factor,mrjbq7/factor,tgunr/factor,bjourne/factor,bjourne/factor,mrjbq7/factor,sarvex/factor-lang,bpollack/factor,AlexIljin/factor,dch/factor,dch/factor,nicolas-p/factor,tgunr/factor,bjourne/factor,bjourne/factor,slavapestov/factor,mrjbq7/factor,slavapestov/factor,bpollack/factor,bjourne/factor,sarvex/factor-lang,bjourne/factor,AlexIljin/factor,slavapestov/factor,slavapestov/factor,sarvex/factor-lang,AlexIljin/factor,mrjbq7/factor,slavapestov/factor,dch/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,factor/factor,factor/factor,bpollack/factor,mrjbq7/factor,factor/factor,bpollack/factor,AlexIljin/factor,dch/factor,bjourne/factor,sarvex/factor-lang,dch/factor,sarvex/factor-lang,nicolas-p/factor,factor/factor,slavapestov/factor,bpollack/factor,tgunr/factor,factor/factor,nicolas-p/factor,tgunr/factor,sarvex/factor-lang,sarvex/factor-lang,bpollack/factor,mrjbq7/factor