return 200 if user has no searches
Merge pull request #2 from samgiles/savedsearches

Updated docs
Always returns 200
Use the async interface
purge varnish after changing user searches
Merge branch 'master' of github.com:ftlabs/picknmix-api
Merging
Merge branch 'master' of github.com:ftlabs/picknmix-api
set varnish port
Merge branch 'master' of github.com:ftlabs/picknmix-api
Corecting README
Merge branch 'master' of github.com:ftlabs/picknmix-api