I've made many changes, and added preliminary Swank support.  The main reason that I've checked in now is that I'm about to house clean Vial in a pretty major way.

darcs-hash:2c029346197d8acb3007b37035724d68f656ef42

darcs-hash:60102611035560146117622b1df6568c42dba1d9

Added per buffer hooks
Added zlib license
Fixed up scan for chars
Added Gray streams, SBCL only
Added a file of Common Lisp keywords
Added a toplevel restart so Vial can keep running after errors.

darcs-hash:d1a1635d8b89b1b984ead4513cafb47330a82ac3

Fixed up the way EX commands are defined
Added move by word back/forward
Added the ability to do autocompletion for files in the current directory
Fixed some last command handling
Now handle the < key during input

darcs-hash:b5dab96930df6364cf9bf3eb270f583873568a06

darcs-hash:6bb1324646b3f64f3e1a557ed442be6906134fec

darcs-hash:51ce11ae98a146d23ab4338f05c55c4ac70546f4

darcs-hash:3081fbcd255c96d43238edccf6256db33868cf99

darcs-hash:955585bcd5a1d8e336b0e9df222853223773d778