Hashtable patch, more serialization patches

[Archie Cobbs]

Jose Orlando Pereira writes:
> There seems to be a bug in java.lang.Hashtable that is triggered when,
> after being used for a while, all free slots are marked as "removed".

Your first patch (to Hashtable) was committed... Thanks!

-Archie

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Archie Cobbs   *   Whistle Communications, Inc.  *   http://www.whistle.com