Update python version section of readme
Update python version section of readme

jmlong1027/multiscanner,MITRECND/multiscanner,mitre/multiscanner,awest1339/multiscanner,awest1339/multiscanner,awest1339/multiscanner,mitre/multiscanner,awest1339/multiscanner,jmlong1027/multiscanner,MITRECND/multiscanner,jmlong1027/multiscanner,mitre/multiscanner,jmlong1027/multiscanner