chore(package.json) Fixed repo url and added dev dependency for testing
test(hydra-node) verify a called is make to get list of hydra servers
test(hydra-node) retry and cycle when getting hydra servers
feat(hydra-node) calling config without parameters should return a copy of configuration
fix(hydra-node): protect from external changes in array of servers parameter
chore(test): use chai for tests
feat(hydra-node): config throws exception on empty list of servers
refactor(test) small test refactor
refactor(hydra-node): cyclehidraserver refactor
refactor(hydra-node): extract logic outside module.exports
refactor(hydra-node): access by name instead of by hashmap to hydra servers info
test(hydra-node): default options values and min option values
refactor(hydra-node): timeouts refactor
refactor(hydra-node): remove unused variable _HTTP_STATE_DONE
refactor(hydra-node): use strict on lib
refactor(hydra-node): strict equality  comparison
chore(editorconfig): editor config file
style(hydra-node): pass most of jslint rules
refactor(hydra-node): make concurrent retries and refreshes of hydra servers
refactor(test): change tests from "assert" to "expect" style