Add default switches to Pjax.switches (#92)

Fixes #68 and reverts #74

README.md

@@ -248,7 +248,7 @@ with or without [WOW.js](https://github.com/matthieua/WOW).
 new Pjax({
   selectors: ["title", ".js-Pjax"],
   switches: {
-    ".js-Pjax": require("pjax/lib/switches.js").sideBySide
+    ".js-Pjax": Pjax.switches.sideBySide
   },
   switchesOptions: {
     ".js-Pjax": {

index.js

@@ -9,6 +9,8 @@ var on = require("./lib/events/on.js")
 // var off = require("./lib/events/on.js")
 var trigger = require("./lib/events/trigger.js")
 
+var defaultSwitches = require("./lib/switches")
+
 
 var Pjax = function(options) {
     this.firstrun = true
@@ -42,6 +44,8 @@ var Pjax = function(options) {
     }.bind(this))
   }
 
+Pjax.switches = defaultSwitches
+
 Pjax.prototype = {
   log: require("./lib/proto/log.js"),