v0.6.1 - Just before resolv.Vector

Bugfix Release

v0.5 release! Major API changes compared to previous versions.

v0.4 Update!

Renaming Space.AddShape to Space.Add.
Renaming Space.RemoveShape to Space.Remove.
Minor optimization in Resolve().
Switching from sdl2 to raylib-go for tests.
Removing keyboard.go and ArcadePi.ttf font.
Moving common functions to a common file.
Making new worlds for testing.

v0.3 Update! See Wiki for details!

Internal changes - pointer receivers, WouldBeColliding.