Support for UUIDs in Tuque.
UUID in constructObject tests
namespaces in constructObject tests
getNextIdentifier test
getNextIdentifier supplying many ids if asked
Throw a more descriptive error about malformed XML.
Merge pull request #51 from adam-vessey/1.x

Facilitate datastream copying.
Merge pull request #50 from willtp87/1.x

Support for UUIDs in Tuque.
Change the exception text a bit.
Merge pull request #52 from jordandukart/1.x

Throw a more descriptive error about malformed XML.
Test that the relationships are NOT picked up when copying.

Good to know one way or the other.