Added:
mat3.subtract
mat3.add
mat3.scalar
mat4.scalar
mat4.getRotationMatrix
mat4.add
mat4.subtract
mat4.toQuat
mat4.yawFromMat4
quat.pitch
quat.roll
quat.yaw
vec3.scaleFromMat4
vec3.farPoint
vec3.nearPoint
vec3.rotationFromMat4
vec4.multiplyMat4