def method?(name)
      begin
        klass = Esi::Calls.const_get(method_to_class_name(name))
      rescue NameError
        return false
      end
      !klass.nil?
    end
def method?(name)
      begin
        klass = Esi::Calls.const_get(method_to_class_name(name))
      rescue NameError
        return false
      end
      !klass.nil?
    end
Test if the Esi::Client has a method
 @param [Symbol] name the name of the method to test
 @return [Boolean] wether or not the method exists