WipeFreeSpace 3.0 released!

After a long break, WipeFreeSpace version 3.0 has just been released.
Wiping orders are introduced: by block and by pattern.
Portability updates - WipeFreeSpace now compiles on Solaris/SunOS and should compile without patching on ArchLinux.
Many fixes and code quality updates.
Improvements in unit tests and measuring test coverage.