Update Sizzle: adds createPseudo method on Sizzle.selectors for easily creating pseud...

diff --git a/src/sizzle b/src/sizzle
index fb74cf5de53017224df7ba66f0606d937c093e3e..5670bd84afc4c98390822622e9e75ea80016e0bc 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit fb74cf5de53017224df7ba66f0606d937c093e3e
+Subproject commit 5670bd84afc4c98390822622e9e75ea80016e0bc