patch applied (cabal): Add --list-options flag, should be useful for shell command line completion

Mon Dec 17 05:20:48 PST 2007 Duncan Coutts * Add --list-options flag, should be useful for shell command line completion It applies at the top level in which case it lists the global flags and the sub-commands. It applies for each sub-command in which case it lists the sub-command's available flags. M ./Distribution/Simple.hs +3 M ./Distribution/Simple/Command.hs -25 +50