VisibilityPlugin.
Build.
gui.GreatSpirit + spirits less sensible to omitted _super calls.
Build.
Object.prototype (not Object) :/
Comments.
... continue on another machine ...
Garbage collection continues.
Let's try-catch esoteric exception in cleanup.
Merge pull request #69 from wiredearp/master

Mostly garbage collection, some visibility
Merge branch 'master' into 0.0.4-ts