diff --git a/lib/pager.rb b/lib/pager.rb
index b6a655c..b59dc1e 100644
--- a/lib/pager.rb
+++ b/lib/pager.rb
@@ -16,6 +16,13 @@ module Enumerable
       grouped
     end
   end unless [].respond_to?(:group_by)
+  
+  def group_by_fast
+    inject({}) do |grouped, element|
+      (grouped[yield(element)] ||= []) << element
+      grouped
+    end
+  end
 end
 
 class CouchRest
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b859a9c..22063b9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,4 +1,4 @@
 require File.dirname(__FILE__) + '/../lib/couchrest'
 
-COUCHHOST = "http://localhost:5985"
+COUCHHOST = "http://localhost:5984"
 TESTDB = 'couchrest-test'
\ No newline at end of file