Update Sizzle: compress/edge case pull from gibson and a fix :not/:has with spaces

diff --git a/src/sizzle b/src/sizzle
index 4d9278b2cb2bc0c88404f553e56c41d79f8b5045..c96442b988d9258bcc5e973a8b047fbcb90a81ee 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 4d9278b2cb2bc0c88404f553e56c41d79f8b5045
+Subproject commit c96442b988d9258bcc5e973a8b047fbcb90a81ee