PortalGun

Supports Minecraft 1.0.0, 1.1, 1.1.0, 1.10.2, 1.12.2, 1.2.3, 1.2.4, 1.2.5, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.4, 1.7.10, b1.3_01, b1.4_01, b1.5_01, b1.6.6, b1.7.3, b1.8.1

Adds the Portal Gun, as well as several other portal-related aspects, to Minecraft!