molly headers commands

chead	--	copy headers.
edit	--	edit headers.
flis	--	full header list.
hedhist	--	histogram of header param.
hedplt	--	header item plots.
hfix	--	compute HJDs etc.
phase	--	set phases.
select	--	sets selection criteria.
show	--	one line header list.

Tom Marsh, Warwick