Adding respond_to_missing? method in client

lib/calendlyr/client.rb

@@ -30,6 +30,12 @@ def method_missing(method_name, *args, &block)
       end
     end
 
+    def respond_to_missing?(method_name, include_private = false)
+      resource_name = method_name.to_s.split("_").collect(&:capitalize).join + "Resource"
+
+      Calendlyr.const_defined?(resource_name) || super
+    end
+
     # Avoid returning #<Calendlyr::Client @token="token" ...>
     def inspect
       "#<Calendlyr::Client>"

test/calendlyr/client_test.rb

@@ -14,4 +14,9 @@ def test_method_missing
       client.useers
     end
   end
+
+  def test_respond_to_missing?
+    assert client.respond_to?(:users)
+    refute client.respond_to?(:useers)
+  end
 end