Issue #62 1.13.8.22 breaks nested fully qualified access

Hey Jason,

Thanks for the usefull Nustache library. We started using Nustache in our org and wanted to use the new features introduced in 1.13.8.22 (specifically delimiter support) then ran into Issue #62 that wasn't present in previous versions. I have fix for this based on my understanding of the code can you take a look and see if it can be merged.

thanks,
rami