Actually implement the tweening behavior of AutoClock.
Actually implement the tweening behavior of AutoClock.

Apparently I never actually made it do what it was supposed to...

joshuabrown-ellation/libjass,Dador/libjass,Arnavion/libjass,Dador/libjass,joshuabrown-ellation/libjass,Arnavion/libjass,joshuabrown-ellation/libjass,Dador/libjass,Arnavion/libjass