Log Message:
cvsync 0.22.0 is out.

ChangeLog:
        * New keyword: compress (client only)

        * Options (client)
                -Z : Disables a compression.
                -z : Enables a compression.

        * Option (server)
                -z: Sets the compression level.
                        0: no compression.
                        1: the fastest, but less compression.
                        9: the slowest, but best compression.