Metacat

Add a checking for xml_nodes insert finished, then start build index table.

Remove UPPER function for >, < operator.

Add a new search mode not-contains.

Modified a debug Message.

Add a new method to find document from queryspecification.

Revise code so it can be called directly.

Revied the class.

New class will be used in metacat ecogrid impl.

• empty log message ***

Updated more tests on session reuse. Made the http calls set the sessionid
explicitly rather than relying on cookies being passed around statically.
Still need to modify HttpMessage to get rid of the static cookie.