R.L. Stine has scared more kids than any dentist office or booster shot could ever dream of. Between his 'Fear Street' and 'Goosebumps' novels, he has managed be the basis of plenty of young adult nightmares. For quite some time, we've heard bits and pieces of the in-development 'Goosebumps' movie. In fact, when last we left it, the film adaptation of Stine's signature horror novel series was loo…