commands: better argument processing, per-command help
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commands: better argument processing, per-command help
This passes command line arguments as positional arguments rather than
as a list and attempt to catch exceptions if the arguments don't match up.
It also adds 'hg help [cmd]' which prints the syntax and docstring for
the given command.
manifest hash: cef3ac7076f99fce4265a5dc7acb57fb03d93270
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include hg
recursive-include mercurial *.py
include tkmerge
include hgweb.cgi
include hgeditor rewrite-log convert-repo
include tests/*
include *.txt
include templates/map
include templates/*.tmpl
include doc/*
include README