Added diffview dir with shell scripts that already use previous commit (short options). this are
little tools to help users to read patches, I use it often.
You could read a brief explanation of what we can do with the scripts in README.diffview.

Have a README.txt file with a brief explanation of what we can do with the scripts .
Implements inverted ranges. If range begins with "i" show the oposite result of the result of the
select range . Functionality applied on --files, --lines and --hunks.