let rzip operate on pipes

This patch enables rzip to read data from stdin and/or write data to stdout. It needs to be tested more. So use it on your own risk. More documentation needs to follow. Examples: some-command | rzip -o out.rz -q temporary-file or rzip -d -Q TMP some.rz | some-command

Last change (on this page): $Date: 2009/10/12 22:03:02 $