Add List related commands

[crodas]

Commands

• [ ] BLMOVE
• [ ] BLMPOP
• [x] BLPOP
• [x] BRPOP
• [ ] BRPOPLPUSH
• [x] LINDEX
• [x] LINSERT
• [x] LLEN
• [x] LMOVE
• [ ] LMPOP
• [x] LPOP
• [x] LPOS
• [x] LPUSH
• [x] LPUSHX
• [x] LRANGE
• [x] LREM
• [x] LSET
• [x] LTRIM
• [x] RPOP
• [x] RPOPLPUSH
• [x] RPUSH
• [x] RPUSHX

[crodas]

The remaining commands will be tackled in another MR as they are pretty new commands.