Upped initial buffer size to 1K to be consistent with the pooled version
Moved to Java 6 Charset class for byte array to String conversion.
Closing Message properly in a finally block
Removed ServerAddress from MongoException, pushed it down to subclasses.
Got rid of unsafe org.bson.SimplePool, now using org.mongodb.pool.SimplePool for everything.  Move pooled buffer support from bson module to driver module.