Debugging HTTP requests
Dependency for httpcomponents-client-4.3.x
Fixed HTTP 'basic' authentication issues by performing pre-emptive authentication. More info here:
  * http://groovy.329449.n5.nabble.com/Problem-with-authentication-and-CouchDB-td418664.html
  * http://hc.apache.org/httpcomponents-client-4.3.x/tutorial/html/authentication.html