added man page plugin
reworked vimhelp to recognize ;help, to print ":help -> <url>"
vimhelp.awk should output :help not :man
vimhelp: added case-insensitive search
Handle IPv6 hostmask in parse()

Signed-off-by: James McCoy <vega.james@gmail.com>
Switch to vimhelp.appspot.com

As the tag file being parsed is extracted from Mercurial, using
vimhelp.appspot.com is more likely to work than vimdoc.sourceforge.net.
The former is updated automatically as the Mercurial repo is updated.

Signed-off-by: James McCoy <vega.james@gmail.com>
Only respond to PRIVMSGs

Signed-off-by: James McCoy <vega.james@gmail.com>
Allow users to interact with the bot in a private query

Signed-off-by: James McCoy <vega.james@gmail.com>
Display incoming messages even if they aren't being parsed

Signed-off-by: James McCoy <vega.james@gmail.com>