ANALYZER-2188 - adding new methods to XmlaExtra
Merge pull request #4 from kurtwalker/master

ANALYZER-2188 - adding new methods to XmlaExtra

I'm merging this one since we won't have time to release olap4j 2.0 in time. We need this to be present in the code right now. When working on olap4j 2.0, we will remove this class altogether.