Update for 0.9.5

[denispeplin]

Also, updated opal and opal-spec. All specs work fine.
When checked manually, everything work fine too, even editing existing todo, but when double clicking on existing todo, the error appears on JS console:

Uncaught TypeError: undefined is not a function event_binding.rb:86

This is about https://github.com/voltrb/volt/blob/master/lib/volt/page/bindings/event_binding.rb#L86

if result && result.is_a?(Method)

It appears in browser console when I try to debug in with debugger, but still have no idea how to debug, because I can't just put result.is_a?(Method) into console, it throws an error.