cachedir deleted on purge

bin/mw

@@ -256,7 +256,7 @@ asktype() { while : ; do
 		esac; done ;}
 
 purge() { confirm "delete all account data" || exit
-	rm -rf "$mbsyncrc" "$accdir" "$HOME/.config/msmtp"
+	rm -rf "$mbsyncrc" "$accdir" "$HOME/.config/msmtp" "$cachedir"
 	echo "All configs and account settings have been purged."
 	sed -i "/\# mw-autogenerated/d" "$muttrc"
 }