Finished cookie support for FTP server. This allows you to use UserDB and etcUserDB cookie authentication with FTP.

Some superficial changes: changed log message to say 'zdeamon' not 'zinit'. Changed exception classes to inherit from Exception.

  %(var expr="x+1")s

for XML-RPC.

Made a small change to allow new user and group name display in FTP long directory listings. This should probably be redone so that we don't modify a medusa module.

This is my fault. Inheritence doesn't really work well for
customizing response behavior here because we may need to customize
multiple request types.  I'll try using delagation instead.

BoboPOS2.

the fact that _p_oid isn't an int any more.

meta-data.

programming errors that render the application unstartable.

not defined on certain platforms (linux libc5).

Added simple minded ownership detection to FTP long directory listings, by looking for users with local roles of 'Owner'.

Fixed z2.py to reject negative port numbers. This fixes Daniel Drucker's problem of starting ZServer with "-w -2" as command line arguments.