Issue #2382801 by er.pushpinderrana, Liam Morland: Improve documentation for module_exists()
Issue #2382801 by er.pushpinderrana, Liam Morland: Improve documentation for module_exists()

lincgr/Prueba,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,lincgr/Prueba,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,brainhell/drupalglass,joshkoenig/golden-god-demo,brainhell/drupalglass,brainhell/drupalglass,brainhell/drupalglass,brainhell/drupalglass,lincgr/Prueba,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,lincgr/Prueba