removing subform testing logic from eval_func_call and instead relying on eval_expr to perform it, shaves off between 0.4 and 0.8 seconds from (fibo 31)
removing subform testing logic from eval_func_call and instead relying
on eval_expr to perform it, shaves off between 0.4 and 0.8 seconds from (fibo 31)

mkfifo/plot,mkfifo/plot