tweaked transition API
tweaked transition API

heavyk/ractive,heavyk/ractive,p0lax/ractive,squaredup/ractive,ractivejs/ractive,marcalexiei/ractive,cgvarela/ractive,ndimas/ractive,magicdawn/ractive,aliprogrammer69/ractive,ndimas/ractive,JonDum/ractive,magicdawn/ractive,dyx/ractive,heavyk/ractive,thomsbg/ractive,ractivejs/ractive,thomsbg/ractive,Rich-Harris/ractive,dyx/ractive,pingjiang/ractive,aliprogrammer69/ractive,dyx/ractive,squaredup/ractive,cgvarela/ractive,ractivejs/ractive,ISNIT0/ractive,npmcomponent/RactiveJS-Ractive,pingjiang/ractive,marcalexiei/ractive,npmcomponent/RactiveJS-Ractive,magicdawn/ractive,Rich-Harris/ractive,JonDum/ractive,Rich-Harris/ractive,pingjiang/ractive,squaredup/ractive,marcalexiei/ractive,thomsbg/ractive,p0lax/ractive,cgvarela/ractive,ndimas/ractive,ISNIT0/ractive,JonDum/ractive,ISNIT0/ractive,aliprogrammer69/ractive