All realm operations for the RPC are now done in their own thread so it can be allowed to block on waiting for callback results. The recursive and multi-threaded nature of this makes it pretty tricky, but it works!
We needed to do this due to the way React Native modules work. Our hacky solution for using a framework ended up falling apart due to it relying on symbols not getting stripped from the main application.
This static library is in its own Xcode project because rnpm links in *all* static libraries from a given Xcode project.
Scott Kyle