def version(self):
return self.packer.version().split('<STR_LIT:v>')[<NUM_LIT:1>].rstrip('<STR_LIT:\n>')<EOL>
Returns Packer's version number (`packer version`)

        As of v0.7.5, the format shows when running `packer version`
        is: Packer vX.Y.Z. This method will only returns the number, without
        the `packer v` prefix so that you don't have to parse the version
        yourself.