All functionality added

Time to test

hostnames.ini

@@ -5,4 +5,4 @@ router = root@router
 [wan]
 host = rlbrhost.ddns.net
 room = raphael@${wan:host}
-router = root@{wan:host}
+router = root@${wan:host}

ssh-host.py

@@ -13,5 +13,12 @@ if __name__ == "__main__":
     parser.add_argument('name',help='name of config file to use (sans .cfg)')
     parser.add_argument('arg',nargs = '*')
     args = parser.parse_args()
-    cmd = ['ssh','-F','~/.ssh/{}.cfg'.format(args.name)]
-    subprocess.call(cmd)
+
+    pre = '~/.ssh/config/{}'.format(args.pre_script)
+    if args.wan:
+        host = cp['wan'][args.name]
+    elif args.lan:
+        host = cp['lan'][args.name]
+    cmd = ['ssh','-F','~/.ssh/{}.cfg'.format(args.name),host] + args.arg
+    subprocess.check_call(pre)
+    subprocess.call(cmd)