code: public ConsulResponse<CatalogNode> getNode(final String node) {
          return getNode(node, null, null, RequestOptions.BLANK);
      }
docs: Retrieves a single node.
  <p>
  GET /v1/catalog/node/{node}
  
  @param node node
  @return A list of matching {@link io.advantageous.consul.domain.CatalogService} objects.