... prints should be repairing damaged buildings, they could even reconstruct destroyed buildings. Teleports I believe there should be some personal teleport building, that would allow you to get quickly to some parts of the map you already colonised. I think, that simple system of pairs of buildings ...

It would be sweet if car would keep its orientation while teleportation.
And/Or teleport() could be extended with optional orientation parameter.

I try to make car with afterburner

http://youtu.be/bPkt-GR0Kio

When items enter the splitter they instantly pop out the other end.
Stacking a bunch of splitters after each other makes the items travel faster than on an express belt!

... (so you should never see a unit with 0 health). Window to choose filter in the filter inserter was closed when something was crafted. Strange (teleport-like) behaviour on the transport belt turn in some cases. Eternal tooltip in the burner inserter. Eternal tooltip in the technology gui. Bugfix ...