Release 1.04 of setspaceenhanced

This contains setspaceenhanced version 1.04. Changes in this version are:

• Fixed an initialization error when using option byselectfont → Issue #3.
• Implementation of the little-known setspace option nodispayskipstretch
  for compatibility reasons → Issue #4.
• Automatic adoption of the options of a previously loaded setspace for
  the initialization of own options.

There are also some improvements of the documentation of scrhack. See setspaceenhanced-1.04.zip for the code and manual of the single package. This is also the file that has been uploaded to CTAN.