Fixed take_while_s and take_while1_s to work with non-ASCII characters and added succeed and succeed_some tests for each.
Fixed take_while_s and take_while1_s to work with non-ASCII characters and added succeed and succeed_some tests for each.

sourrust/nom,meh/nom,Keruspe/nom,pwoolcoc/nom,AndyShiue/nom,Geal/nom