`ReflectionClass#isIstantiable()` implementation
`ReflectionClass#isIstantiable()` implementation

asgrim/better-reflection,digitalkaoz/BetterReflection,asgrim/better-reflection,Roave/BetterReflection,ihsanudin/BetterReflection,Roave/BetterReflection,stof/BetterReflection,ihsanudin/BetterReflection,digitalkaoz/BetterReflection,stof/BetterReflection