Small code tweak
Support absolute paths when completing commands
  Eike Plack Copyright Waiver

  I dedicate any and all copyright interest in this software to the
  public domain.  I make this dedication for the benefit of the public at
  large and to the detriment of my heirs and successors.  I intend this
  dedication to be an overt act of relinquishment in perpetuity of all
  present and future rights to this software under copyright law.
Remove useless code
Minor cleanup
Expose buffer list to shell over $kak_buflist
Merge branch 'list_buffers'