def query_by_tag(verb, tags, action, options)
      path = "/tags/by_tag"
      params = {:tags => tags, :match_all => false, :resource_type => "instances"}
      map_response(make_request(verb, path, params, action, options), path).keys
    end
def query_by_tag(verb, tags, action, options)
      path = "/tags/by_tag"
      params = {:tags => tags, :match_all => false, :resource_type => "instances"}
      map_response(make_request(verb, path, params, action, options), path).keys
    end
Query API for resources with specified tags

 @param [Symbol] verb for HTTP REST request
 @param [Array] tags that all resources retrieved must have
 @param [String] action from request type
 @param [Hash] options augmenting or overriding default options for HTTP request

 @return [Array] resource hrefs