Update API docs

Rakefile

@@ -36,6 +36,9 @@ task :rdoc => 'doc:build'
 task :doc => 'doc:build'
 
 namespace :doc do
+
+  current_sha = `git log HEAD -1 --pretty=format:"%H"`[0..6]
+
   Rake::RDocTask.new(:build) do |d|
     d.rdoc_dir = 'doc'
     d.main     = 'README.rdoc'
@@ -61,10 +64,6 @@ namespace :doc do
     `cat #{docpath1}/index.html | grep "<title>"` != `cat #{docpath2}/index.html | grep "<title>"`
   end
 
-  def current_sha
-    `git log HEAD -1 --pretty=format:"%H"`[0..6]
-  end
-
   def on_gh_pages(&block)
     `git branch -m gh-pages orig-gh-pages > /dev/null 2>&1`
     `git checkout -b gh-pages origin/gh-pages`