add invalid directive fail

do_what.py

@@ -261,6 +261,10 @@ elif ( active and len(sys.argv) > argiter+1 and sys.argv[argiter+1] == 'r' ):
 			print("echo Restored directory: "+restorepath)
 	exit()
 
+elif ( active and len(sys.argv) > argiter+1 ):
+	print("echo Invalid directive: "+sys.argv[argiter+1])
+	exit()
+
 # File Operations
 if ( (not active and len(sys.argv) == 1) or (active and len(sys.argv) == 2) ):
 	# list the contents of the current directory