hu.gemspec in hu-0.0.1 vs hu.gemspec in hu-0.1.0

@@ -22,6 +22,7 @@
   spec.add_development_dependency "rake"
 
   spec.add_dependency "optix"
   spec.add_dependency "platform-api"
   spec.add_dependency "powerbar"
+  spec.add_dependency "hashdiff"
 end