def create_cluster(cluster_info)
      cluster_info = cluster_info.inject({}) { |v, hv|
        v.merge({"cluster[#{hv.first}]" => hv.last})
      }

      request(
        :expects => 201,
        :method => :post,
        :path => "/#{account_id}/api/clusters",
        :query => cluster_info
      )
    end
def create_cluster(cluster_info)
      cluster_info = cluster_info.inject({}) { |v, hv|
        v.merge({"cluster[#{hv.first}]" => hv.last})
      }

      request(
        :expects => 201,
        :method => :post,
        :path => "/#{account_id}/api/clusters",
        :query => cluster_info
      )
    end
POST /<accountID>/api/clusters