Export RedisClient prototype to support extending.

See examples/extend.js for a simple example.
Remove command list from exports while I was in there.

examples/extend.js

@@ -0,0 +1,24 @@
+var redis = require("redis"),
+    client = redis.createClient();
+
+// Extend the RedisClient prototype to add a custom method
+// This one converts the results from "INFO" into a JavaScript Object
+
+redis.RedisClient.prototype.parse_info = function (callback) {
+    this.info(function (err, res) {
+        var lines = res.toString().split("\r\n").sort();
+        var obj = {};
+        lines.forEach(function (line) {
+            var parts = line.split(':');
+            if (parts[1]) {
+                obj[parts[0]] = parts[1];
+            }
+        });
+        callback(obj)
+    });
+};
+
+client.parse_info(function (info) {
+    console.dir(info);
+    client.quit();
+});