Jon Staab@welshman/lib 
Some general-purpose utilities for use in @welshman apps.
Includes:
- LRU cache implementation
- Worker for throttling work to avoid locking up the UI
- URL normalization (taken from normalize-url)
- A global
ctxvariable which can be used for global configuration - CustomPromise, which provides an error type, and
deferutility - Ramda-like utilities, but without auto-currying
- Utils for throttling, working with nil, json, fetch, deep equals, etc.