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Added CVS $Id$ keyword.

fixed client splice() method, removed broken db shadow object stuff (may result in fragments of shadow objects being left behind in the case of a splice)

use JSONdb.remove() method instead of writing undefined when deleting a record (removes records completely instead of leaving an empty property behind)

added splice() method to json-client (currently only accepts one "data" argument, unlike the standard JS Array.splice() method).
TODO: unlocking a write-locked record does not imply that data was written, yet updates are being sent anyway. not a big deal, but probably should be fixed.

flatten queries to single-level object (to maintain scope property in updates from multiple databases)

add keyTypes method. returns an object containing key:datatype pairs, because deuce wants an object.

fix release() method bug, remove invalid requests from queue (should never occur, really), add array slice() method

support optional timeout in db queries. default: nonblocking writes, blocking reads. timeout 0 = nonblocking r/w with acknowledgement. timeout > 0 = blocking r/w for duration of timeout with acknowledgement (or read result)

added fuh_queue() function to clear query list on client disconnect (after one final attempt). check operations against a list of valid commands (error if invalid request).

non-existant record reads return undefined (and do not create the record in the process), methods updated, initialize _locks and _subscriptions as {} instead of [], a myriad of miscellaneous varieties of other assorted sporadic changes.

pass socket to release instead of descriptor.

updated record identifying functions to allow top-level object access, track subscriptions (for dupe checking and faster subscription release)

some minor updates

remove leftover debug stuff, move update flag to settings, set update flag on unlock (and not write)

remove clone function (no longer needed), reject root object requests, no longer self-instantiate, bundle LOCK/operation/UNLOCK requests when a lock is specified on an operation