[slim-vim] Changelog for July

[Larry Clapp]

Sun Jul 16 19:52:15 EDT 2006  Larry Clapp <larry at theclapp.org>
  * Add FFI for map, unmap, maparg; update help file

  See the help file for documentation on vim:map, vim:map!, vim:unmap,
  vim:unmap!, and vim:maparg.