added deferred-leveldown as a dependency
added deferred-leveldown as a dependency

toddself/levelup,roppa/levelup,timkuijsten/levelup,JTKnox91/levelup,roppa/levelup,Level/levelup,JTKnox91/levelup,lastguest/levelup,timkuijsten/levelup,djchie/levelup,lastguest/levelup,djchie/levelup,toddself/levelup