Changed version number to 1.39-0, added spatial object list class
(solist), and many minor changes.

   solist.R [New file]
   solist.Rd [New file]
   as.solist.Rd [New file]
   anylist.Rd [New file]
   Extract.solist.Rd [New file]
   Extract.anylist.Rd [New file]
   summary.solist.Rd [New file]
   summary.anylist.Rd [New file]
   spatstat-internal.Rd
      New classes 'anylist' and 'solist'

   plot.listof.R
   plot.anylist.Rd [New file]
   plot.solist.Rd [New file]
      Plot methods for 'anylist' and 'solist'
      temporarily identical to plot.listof

   as.layered.Rd
      New method as.layered.solist

   hyperframe.R
   as.hyperframe.Rd
      New method as.hyperframe.anylist

   plot.im.Rd
   persp.im.Rd
      More explanation of different options for colour map.

   DESCRIPTION
      updated.
      Version number changed to 1.39-0 because of major changes.

   NEWS
   updates.Rnw
      updated.