Update files50

added: scale to select file size to search for
improved: search results, exit after results are displayed

*note : zenity has a bug, --step is ignoring the values on mouse action while left and right keyboard arrows are working
Update files50

How did I missed that? Gigabytes
Update files50
Create filesrange
Update filesrange
Update filesrange
Update filesrange

Bug fix
Update filesrange

added Bytes to the file size info
Merge pull request #6 from Misko-2083/master

Update files50, approved