fixed ddoc names on get

lib/couchrest/core/database.rb

@@ -75,7 +75,7 @@ module CouchRest
     
     # GET a document from CouchDB, by id. Returns a Ruby Hash.
     def get id
-      slug = CGI.escape(id) 
+      slug = /^_design\/(.*)/ =~ id ? "_design/#{CGI.escape($1)}" : CGI.escape(id) 
       hash = CouchRest.get("#{@root}/#{slug}")
       doc = if /^_design/ =~ hash["_id"]
         Design.new(hash)
@@ -213,6 +213,10 @@ module CouchRest
 
     private
 
+    def escape_docid id
+      
+    end
+
     def encode_attachments attachments
       attachments.each do |k,v|
         next if v['stub']