Change next version to 5.0.

Resolves #761

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Haml Changelog
 
-## 4.1.0 (Unreleased)
+## 5.0.0 (Unreleased)
 
 * Haml now requires Ruby 1.9.2 or above.
 * Rails 3.0 and 3.1 are no longer supported, matching the official

README.md

@@ -42,8 +42,8 @@ To use Haml with Rails, simply add Haml to your Gemfile and run `bundle`.
 gem 'haml'
 ~~~
 
-Haml 4.1 requires an actively maintained version of Rails (version 3.2 or later).
-If you are using Rails 3.0 or 3.1, you should use Haml version 4.0.x:
+Haml 5 requires Rails version 3.2 or later. If you are using Rails 3.0 or 3.1,
+you should use Haml version 4.0.x:
 
 ~~~ruby
 gem 'haml', '~> 4.0.5'

lib/haml/version.rb

@@ -1,3 +1,3 @@
 module Haml
-  VERSION = "4.1.0.beta.1"
+  VERSION = "5.0.0.beta.2"
 end