Auto Skill Level Up [Aurelion Sol Added]

Ever hit level 6 and needed to use your ultimate but couldn't upgrade the ability fast enough?

Ever hit level 2 and needed to use your W but couldn't upgrade the ability fast enough?

Ever hit level 4 and needed to use your E but couldn't upgrade the ability fast enough?

Well look no further 

Updated for 6.6 (Aurelion Sol Fully Supported)