Added a simple benchmark for the ReadStream.
Added a simple benchmark for the ReadStream.

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