Add example of alternate MULTI syntax.

examples/example_multi2.js

@@ -0,0 +1,29 @@
+var redis  = require("redis"),
+    client = redis.createClient(), multi;
+
+// start a separate command queue for multi
+multi = client.multi();
+multi.incr("incr thing", redis.print);
+multi.incr("incr other thing", redis.print);
+
+// runs immediately
+client.mset("incr thing", 100, "incr other thing", 1, redis.print);
+
+// drains multi queue and runs atomically
+multi.exec(function (err, replies) {
+    console.log(replies); // 101, 2
+});
+
+// you can re-run the same transaction if you like
+multi.exec(function (err, replies) {
+    console.log(replies); // 102, 3
+    client.quit();
+});
+
+client.multi([
+    ["mget", "multifoo", "multibar", redis.print],
+    ["incr", "multifoo"],
+    ["incr", "multibar"]
+]).exec(function (err, replies) {
+    console.log(replies.toString());
+});