slang.tcl: Depend on tls

Fixes #7

slang.tcl

@@ -13,6 +13,9 @@
 
 package require htmlparse
 package require http
+package require tls
+
+::http::register https 443 [list ::tls::socket -ssl2 0 -ssl3 0 -tls1 1]
 
 namespace eval ::ud {
 	# set this to !ud or whatever you want