TODO: add verbosity task

TODO

diff --git a/TODO b/TODO
index 4f86e06..ee02071 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,7 @@
 - Add option to disable changes to source code, allowing them only on comments
   and text files
 
+- Add verbosity levels, so warnings and other messages can be shown or hidden
+
 BUGS
 ====