Return step from addStep

Fixes #165

index.md

@@ -116,7 +116,7 @@ const myTour = new Shepherd.Tour(options);
 
 ##### Tour Methods
 
-- `addStep(id, options)`: Creates a new Step object with options, and returns the `Tour` object for convenient chaining when creating multiple steps.  If you'd like you can also just pass an options hash which includes `id` as a key.
+- `addStep(id, options)`: Creates a new Step object with options, and returns the `Step` instance it created.  If you'd like you can also just pass an options hash which includes `id` as a key.
 If the options hash doesn't include an `id`, one will be generated.
 You can also pass an existing `Step` instance rather than `options`, but note that Shepherd does not support a Step being attached to multiple Tours.
 - `getById(id)`: Return a step with a specific id
@@ -139,7 +139,7 @@ You can also pass an existing `Step` instance rather than `options`, but note th
 - `show`: Triggered with a hash of the `step` and the `previous` step
 - `start`
 
-Steps are instances of the Step object.  They are generally created by the `Tour::addStep` method, which returns the `Step` instance its
+Steps are instances of the Step object.  They are generally created by the `Tour::addStep` method, which returns the `Step` instance it
 created.
 
 #### Steps

src/js/shepherd.js

@@ -670,7 +670,7 @@ class Tour extends Evented {
     }
 
     this.steps.push(step);
-    return this;
+    return step;
   }
 
   removeStep(name) {