Metacat

fix to the generateDocid() function so that the docid generated always is bigger than the earlier one.

Added new function getLastDocid to the metacat client so that it is
accessible to clients that need it.

Add a new test case for testing get newest revision number.

Added a new method to check upload function when a data stream is passed.

Added code to test the upload functionality in the client

Added more debugging messgaes to the test in an attempt to find out
what is wrong with the cookies.

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.

New versions of the Metacat client API that allow access to the sessionId
so that a session can be reused over several different instances.

Fixed the sessionId handling code to now properly return the sessionId
in the login response message. Updated junit tests to test this issue.

Modified metacat to now provide the session identifier in the response
xml message when a login is called. This has not been fully tested.
I removed the HttpMessage class from metacat in favor of using the version
of that class that is found in the utilities module. This may cause some...