Changed method visibility from package private to protected to allow indexes from external table engines use it.

Use HMAC for authenticating remote LOB id's, removing the need for maintaining a cache, and removing the limit on the number of LOBs per result set.

Use HMAC for authenticating remote LOB id's, removing the need for maintaining a cache, and removing the limit on the number of LOBs per result set.

Apache Tomcat 7.x will now longer log a warning when unloading the web application, if using a connection pool.