code: public CRestBuilder oauth(String consumerKey, String consumerSecret, String accessToken, String accessTokenSecret) {
          return oauth(consumerKey,consumerSecret,accessToken, accessTokenSecret, null, null);
      }
docs: <p>Configures the resulting <b>CRest</b> instance to authenticate all requests using OAuth 1.0</p>
  @param consumerKey consumer key to use
  @param consumerSecret consumer secret to use
  @param accessToken access token to use
  @param accessTokenSecret access token secret to use
  @return current builder