When you place a wire in a side of a block the block doesn't gets powered.

http://gyazo.com/0d96a2a528c970f0eb15dc58671e8018

Also the wire doesn't gets powered when it recieves a strong redstone signal through blocks.

http://gyazo.com/6a66f152f3a262159ce6bce47bcf34e3

I also have this issue

I'm already trying to fix this issue

Fixed \o/

Or not...