SQL Proxy: Fix issue with host list

script/myssh

@@ -48,7 +48,7 @@ port_forward() {
 }
 
 ls_hosts() {
-    echo $(ssh -S $HOME/.ssh/controlmasters/%r@%h:%p $SQL_PROXY_HOST ls)
+    ssh -S $HOME/.ssh/controlmasters/%r@%h:%p $SQL_PROXY_HOST ls
 }
 
 run_client() {
@@ -89,7 +89,7 @@ case $MAIN_OPTION in
                 run_client $MYSQL_USERNAME $MYSQL_PASSWORD
             fi
         else
-            echo "Invalid Hostname: $2."
+            echo "Invalid Hostname: $TARGET_HOST."
         fi
         ;;
     disconnect)