Remove references to 0.5 from README
Remove references to 0.5 from README

google/honggfuzz,google/honggfuzz,riusksk/riufuzz,anestisb/honggfuzz,riusksk/riufuzz,riusksk/riufuzz,riusksk/riufuzz,riusksk/riufuzz,riusksk/riufuzz,google/honggfuzz,riusksk/riufuzz