readme.md in bourbon-0.1.4 vs readme.md in bourbon-0.1.5

@@ -22,11 +22,11 @@
 Import the mixins at the beginning of your stylesheet
 
     @import 'bourbon';
 
 ##Rails 3.0.9 and below
-For Rails < 3.1 you must run the installation rake task.
+For Rails < 3.1 you must run the installation rake task. Please note, you should run this task everytime a new version of Bourbon is released.  
 This will copy the Sass files into your project's public/stylesheets/sass directory.
 
     rake bourbon:install
 
 Import the mixins at the beginning of your stylesheet
@@ -185,13 +185,14 @@
 
     @include radial-gradient(50% 50%, circle cover, #1e5799, #efefef);
     @include radial-gradient(50% 50%, circle cover, #eee 10%, #1e5799 30%, #efefef);
 
 
-###Transform
+###Transform & Transform-origin
 
     @include transform(translateY(50px));
+    @include transform-origin(center top);
 
 
 ###Transitions
 
 Shorthand mixin: Supports multiple parentheses-deliminated values for each variable.
@@ -306,10 +307,20 @@
     button, input[type="button"] {
       @include button(shiny, #ff0000);
     }
 
 
+###Timing functions
+These CSS cubic-bezier timing functions are variables that can be used with CSS3 animations. The provided timing functions are the same as the jQuery UI demo: [easing functions](http://jqueryui.com/demos/effect/easing.html).  
+
+    Variables supported: $ease-in-*, $ease-out-*, $ease-in-out-*
+    * = [quad, cubic, quart, quint, sine, expo, circ]
+
+    @include animation-timing-function($ease-in-circ);
+    @include animation-basic(fade-in, 1s, $ease-in-quad);
+
+
 #All Supported Functions, Mixins, and Addons
 *@ denotes a mixin and must be prefaced with @include*
 
     #Functions
     --------------------------------
@@ -353,10 +364,11 @@
 
       @ inline-block
       @ linear-gradient(*args)
       @ radial-gradient(*args)
       @ transform(*args)
+      @ transform-origin(*args)
 
       transition
         @ transition(*args)
         @ transition-delay(*args)
         @ transition-duration(*args)
@@ -366,9 +378,10 @@
     #Addons
     --------------------------------
       animation-keyframes (fade-in, fade-out)
     @ button(*args)
     @ position(*args)
+      timing-functions ($fade-in-*, $fade-out-*, $fade-in-out-*)
 
 
 ##Help Out
 
 Currently the project is a work in progress. Feel free to help out.