Add index to cache
Added cache timeout to the config
Added tingoDB as a dependency
Added set + get methods to cache
Added warning message to registryCache integration tests
Caching implementation for Index queries
Cache DB location now a variable
Changed some info messages to be debug
Changed the _id to be the index name
Added ability to cache and retrieve cached tgz files
Caching of TGZ packages
Caching of TGZ packages
Better unit testing of routes, DIP refactor on routes
Merge branch 'feature/cache-layer' into develop
Finished basic caching of packages
Switched to mkdirp for db directory creation