Be explicit about which version we're aiming at

elia · elia · commit 619fa72e982c · 2014-04-25T00:25:57.000+02:00
[skip ci]
diff --git a/lib/opal/version.rb b/lib/opal/version.rb
@@ -1,3 +1,3 @@
 module Opal
-  VERSION = '0.6.1'
+  VERSION = '0.7.0.dev'
 end
