exceeding underlying BTree data because BTree items were deleted
since the BTreeItems object was deleted.

Note that accessing BTreeItems elements could give incorrect
results if BTree items are deleted after creating a BTreeItems
object.

Added some documentation to ZService. Now ZService uses the registry to store ZServer information. Also event logging is a bit improved. We're getting closer.

Closer

Redid socket limiting as per Jim's advice. Now HTTP, FTP, and PCGI severs will refuse to accept new connections once the connection limit is reached.

Added logic the the http server to keep it from accepting new connections when the server is over loaded. This should keep the server from breaking by doing a select with too many descriptors, and should also help keep the server from running out of descriptors.

Fixed zombie killing for HTTP channels. This should fix open socket creep on heavily loaded servers.

object rather than it's default index_html.

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