Rakefile in dorsal-1.2 vs Rakefile in dorsal-1.3

@@ -56,6 +56,12 @@
   d.main = 'doc/manual.rdoc'
   d.title = 'Dorsal : Yard'
   d.options << '--line-numbers' << '--diagram' << '-SHN'
 end
 
-task :default => [:gem]
\ No newline at end of file
+task :default => [:gem]
+
+task :stage do
+  Rake::Task["clean"].invoke
+  Rake::Task["clobber"].invoke
+  Rake::Task["install"].invoke
+end