go-gl/mathgl — pull request #33 by der-antikeks (2014-11-12 21:36:08+00:00)
Title: Fix QuatLookAtV

This should resolve the issue go-gl/mathgl#31 by introducing the function [QuatBetweenVectors](https://github.com/der-antikeks/mathgl/blob/3796d6e8f2c617040e91e013b45a904cd9d0715d/mgl64/quat.go#L428).