Add most important change in 0.5.0 to changelog. (#221)
Add most important change in 0.5.0 to changelog. (#221)


seanmakesgames/mini_racer,discourse/mini_racer,seanmakesgames/mini_racer,seanmakesgames/mini_racer,discourse/mini_racer,discourse/mini_racer,discourse/mini_racer,seanmakesgames/mini_racer,seanmakesgames/mini_racer