changes IsError re-added to Vba function removed IsErrorFunDef
Merge branch 'evergreen' of https://github.com/wgorman/mondrian into evergreen
[MONDRIAN-1981] Changed documentation, for CustomData
Merge branch 'evergreen' of https://github.com/wgorman/mondrian into evergreen
Merge pull request #23 from tgf/evergreen

[MONDRIAN-2008] treat null argument in range op as unbounded
Merge pull request #22 from portisheadaff/evergreen

Evergreen
[MONDRIAN-1996] mondrian.olap.FullHierarchyNames

change unique names to include hierarchy even if equal to dimension
[MONDRIAN-1996] FullHierarchyNames in XmlaAdomdTest; fix test cache interaction issues
[MONDRIAN-1996] disable xmla full name property when new one is enabled
Merge pull request #24 from tgf/evergreen_UniqueName

unique name with full hierarchy name
[MONDRIAN-487] allow axis function to be used in schema formulas

relaxed compile-time validation
fix return type when unknown