All \expandafters must die.

Removed the \expandafters through the use of bool_*:c (instead of :N).
Thanks to egreg for pointing that out; I need to be more careful as I
read through the docs.
Ignoring AucTeX auto-els.

Whenever I create a new section, new command, etc, AucTeX is smart and
wants to remember them.  How about some amnesia?  ;)