:art: Add Std.classname

diff --git a/plug b/plug
index 28cbcb9e3929cb723b444d1fe79ec50d2f733752..72d7ab32170d564d0312613311182f37d9f1c2f2 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit 28cbcb9e3929cb723b444d1fe79ec50d2f733752
+Subproject commit 72d7ab32170d564d0312613311182f37d9f1c2f2