Merge pull request #3 from ppiech/master

Fix multiprocess handling of file/loader queues.
Create LICENSE.md
Merge pull request #4 from ppiech/master

Caching for v1 API using flask extension.
caching fix: custom key creator that includes url parameters
Update README.md
flask-cache: attempt to connect to memcached, fallback to simple
load_files tweak to allow just the 'loader.complete' step to run
flask memcache setup
remove timeouts on queries
cache config
conditional debug output
Organized loader command line arguments.