host should be global
remove unused views
JSDoc improvements
use helper for creating feature mock
minor rename addFeature -> createFeature
do not use process.cwd to locate modules
getFeature handler + test
file rename cluster-master.js -> app-cluster.js
leading zero fix for zoom = 0
use strict for helper
JSDoc for test helper
use english instead of russian
custom errors handling
Feature.getById provides support for custom user id
Add JSDoc for clusterization methods
#updateFeature and #getFeature tests
Merge branch '#3' (close #3)