Added whichwrap


> Allow specified keys that move the cursor left/right to move to the
> previous/next line when the cursor is on the first/last character in
> the line.

	b    <BS>	 Normal and Visual
	s    <Space>	 Normal and Visual
	h    "h"	 Normal and Visual
	l    "l"	 Normal and Visual
	<    <Left>	 Normal and Visual
	>    <Right>	 Normal and Visual