def delete_namespace(namespace)
      raise(TriplestoreAdapter::TriplestoreException, "delete_namespace received blank namespace") if namespace.empty?
      request = Net::HTTP::Delete.new("#{build_url}/blazegraph/namespace/#{namespace}")
      @http.request(@uri, request)
      return true
    end
def delete_namespace(namespace)
      raise(TriplestoreAdapter::TriplestoreException, "delete_namespace received blank namespace") if namespace.empty?
      request = Net::HTTP::Delete.new("#{build_url}/blazegraph/namespace/#{namespace}")
      @http.request(@uri, request)
      return true
    end
Delete the namespace from the triplestore. *BE CAREFUL*
 @param [String] namespace to be deleted
 @return [Boolean] true if the namespace was deleted