Use subcommands package

This reduces a little bit of complexity. (does it?)

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 3b2c070..b55ff4f 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # Sym: simple symmetric encryption
 
 sym is kinda like `gpg --symmetric`
+
+DO NOT USE THIS PROGRAM. It's more of a "proof of concept".