code: public static CRest getBasicAuthInstance(String username, String password){
          return basicAuth(username, password).build();
      }
docs: <p>Build a <b>CRest</b> instance that authenticate all request using Basic Auth.</p>
  @param username user name to authenticate the requests with
  @param password password to authenticate the requests with
  @return a <b>CRest</b> instance
  @see org.codegist.crest.CRestBuilder#basicAuth(String, String)