today()

[MartijnR]

https://github.com/MartijnR/xpathjs_javarosa/blob/master/src/engine.js#L4366

WARNING: my code may have a bug: enketo/enketo-xpathjs#27

I need to check whether this is a bug on the enketo-side or on the XPath evaluator side. I think it depends on how you'd like to implement the Date datatype in WGXP-openrosa