GLUtil 0.10.4

Only display out-of-date packages.

7 Reverse deps	Accepted versions
dynamic-graph	>=0.9.1 && <0.11
Hate	>=0.7
liveplot	>=0
Michelangelo	>=0
netwire-vinylglfw-examples	>=0.7
record-gl	>=0.6.4
vinyl-gl	>=0.6.4