recursion mode.
- Fixed some problems with --iconv in incremental recursion mode.

recursion.

(which is better on the sending side than clearing the duplicate's
data).

an error updating the file:  the receiver now sends MSG_NO_SEND to the
generator so that it knows when all outstanding work is completed.

- Renamed push_flist_dir() to push_pathname().
- Set a pool var in recv_file_ent() instead of playing games with flist.
- Simplified the top_flags computation in send_file_list().

creating functionality (which had a bug until recently).

with a subdir followed by an arg with no subdirs.

"fake" in it.  Added a symlink named chown-fake.test.

normally, or a fake-device test when called with "fake" in the
script name.  Added a devices-fake.test symlink.

to 2.

slow down the initial version handshake between the two sides.

should prevent quiet from getting set.

the SUBPROTOCOL_VERSION if it is non-zero.

for protocol 30.

0 when a protocol goes final, and non-zero for an intermediary CVS
version of a protocol that is in flux.  If we find that we're talking
to a CVS version with a different sub-protocol #, we automatically
drop back to the prior protocol that the sides have in common.