fix(library/data/num): naming convention
fix(library/data/num): naming convention

soonhokong/lean,soonhokong/lean-osx,leodemoura/lean,leanprover-community/lean,UlrikBuchholtz/lean,c-cube/lean,rlewis1988/lean,fgdorais/lean,rlewis1988/lean,sp3ctum/lean,soonhokong/lean,dselsam/lean,levnach/lean,leanprover/lean,avigad/lean,soonhokong/lean-windows,digama0/lean,levnach/lean,UlrikBuchholtz/lean,avigad/lean,eigengrau/lean,leanprover/lean,levnach/lean,fpvandoorn/lean2,rlewis1988/lean,leodemoura/lean,soonhokong/lean-osx,Kha/lean,leodemoura/lean,leanprover/lean,johoelzl/lean,UlrikBuchholtz/lean,soonhokong/lean-windows,fpvandoorn/lean,leanprover-community/lean,avigad/lean,dselsam/lean,sp3ctum/lean,eigengrau/lean,fgdorais/lean,UlrikBuchholtz/lean,digama0/lean,c-cube/lean,eigengrau/lean,fpvandoorn/lean2,Kha/lean,leodemoura/lean,avigad/lean,johoelzl/lean,htzh/lean,johoelzl/lean,digama0/lean,htzh/lean,soonhokong/lean-windows,eigengrau/lean,soonhokong/lean,soonhokong/lean-windows,levnach/lean,c-cube/lean,leanprover-community/lean,levnach/lean,dselsam/lean,fpvandoorn/lean2,digama0/lean,Kha/lean,fgdorais/lean,eigengrau/lean,fpvandoorn/lean2,sp3ctum/lean,leodemoura/lean,sp3ctum/lean,leanprover/lean,Kha/lean,avigad/lean,Kha/lean,leodemoura/lean,fpvandoorn/lean,fgdorais/lean,fpvandoorn/lean,fgdorais/lean,rlewis1988/lean,soonhokong/lean-windows,fgdorais/lean,soonhokong/lean-osx,javra/lean,dselsam/lean,javra/lean,Kha/lean,avigad/lean,c-cube/lean,leanprover/lean,digama0/lean,dselsam/lean,rlewis1988/lean,c-cube/lean,javra/lean,soonhokong/lean-osx,leanprover/lean,rlewis1988/lean,fpvandoorn/lean,digama0/lean,htzh/lean,htzh/lean,leanprover-community/lean,leanprover-community/lean,javra/lean,fpvandoorn/lean,htzh/lean,sp3ctum/lean,johoelzl/lean,soonhokong/lean,fpvandoorn/lean2,javra/lean,fpvandoorn/lean,soonhokong/lean-osx,leanprover-community/lean,UlrikBuchholtz/lean,johoelzl/lean,johoelzl/lean,soonhokong/lean,dselsam/lean