sequences.extras: Allow row variables in loop>array etc.
sequences.extras: Allow row variables in loop>array etc.

bpollack/factor,tgunr/factor,AlexIljin/factor,mrjbq7/factor,factor/factor,AlexIljin/factor,bpollack/factor,tgunr/factor,AlexIljin/factor,AlexIljin/factor,factor/factor,mrjbq7/factor,factor/factor,tgunr/factor,bpollack/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,factor/factor,AlexIljin/factor,mrjbq7/factor,factor/factor,factor/factor,AlexIljin/factor,tgunr/factor,bpollack/factor,bpollack/factor,bpollack/factor,AlexIljin/factor,mrjbq7/factor,bpollack/factor,mrjbq7/factor