multi-mem: added in redis/redis#8687
resp: added in redis/redis#9508

Also adjust the order of fields to better match the output

The current output format is (redis unstable branch):
```
id=3 addr=127.0.0.1:50188 laddr=127.0.0.1:6379 fd=8 name= age=7 idle=0
flags=N db=0 sub=0 psub=0 multi=-1 qbuf=26 qbuf-free=20448 argv-mem=10
multi-mem=0 obl=0 oll=0 omem=0 tot-mem=40986 events=r cmd=client|list
user=default redir=-1 resp=2
```