Shifter version 1.7.2

Amongst many, many, MANY other changes, this version features full HDTP Release #1 compatibility, with no settings changes or anything else required.
Presenting for your gameplaying enjoyment, Shifter version 1.7.2! Amongst many, many, MANY other changes, this version features full HDTP Release #1 compatibility, with no settings changes or anything else required. The game will simply, seamlessly l