SSH config: Lists

Some config options can be repeated resulting in multiple blocks.

---
list_config_test_case:
  Config:
    LocalForward:
      - 8080 127.0.0.1:80
      - 8443 127.0.0.1:443
  Hosts:
    lf_test_1: 192.168.0.109

Will produce this config:

# list_config_test_case
Host lf_test_1
    User ben
    IdentityFile ~/.ssh/id_rsa
    LocalForward 8080 127.0.0.1:80
    LocalForward 8443 127.0.0.1:443
    HostName 192.168.0.109