adding api search code for libraries

[WrathOfZombies]

Still needs work but provides the initial basic intellisense. falls back to the current behavior if the service is unresponsive.

[WrathOfZombies]

@Zlatkovsky do you want @cshashwat to take a look at this?

[Zlatkovsky]

I do, I haven't forgotten about this one. Though priority / order-of-operations-wise, there are a number of other things I'd like him to do first.