A really faster dependency sorting algorithm, 60% faster approx!
A really faster dependency sorting algorithm, 60% faster approx!

Benchmarks before and after the code for installing
"xorg gnome xbmc vlc firefox epdfview":

OLD
-----------------
real	0m1.844s
user	0m1.841s
sys	0m0.003s

NEW
-----------------
real	0m0.873s
user	0m0.868s
sys	0m0.004s

stpx/xbps,stpx/xbps,datenwolf/xbps,datenwolf/xbps,ebfe/xbps,ebfe/xbps,datenwolf/xbps,stpx/xbps,ebfe/xbps