Validation checks for create and server commands.

msm

@@ -223,7 +223,11 @@ case "$1" in
 		;;
 	create)
 		# Create a new server
+		if [ -z $2 ]; then
+			echo "Invalid command."
+		else
 			manager_create_server $2
+		fi
 		;;
 	delete)
 		# Delete an existing server, with confirmation
@@ -316,6 +320,7 @@ case "$1" in
 	*)
 		# TODO: Check first if $1 is an existing server name
 		
+		if is_valid_name "$1" && [[ -e $SERVER_STORAGE_PATH/$1 ]]; then
 			case "$2" in
 				start)
 					;;
@@ -356,6 +361,9 @@ case "$1" in
 				cmdlog)
 					;;
 			esac
+		else
+			echo "No server with that name."
+		fi
 		;;
 esac