Proof-of-Concept for traversing links (see XKCD crawler)
Merge branch 'master' of https://github.com/korczis/apollo-crawler
Comments cosmetics
Created cache pre-skeleton
Comment cosmetics - everybody will appreciate to know where module ends
Fixed comment TODO
Comments and basic implementation for cache(s) (null & memory)
Cosmetics
Few steps with cache (pattern) and it's factory
Cache factory using singleton pattern
Caches takes block to get parameter
Basic support for caches