+* document:
+ stylesheet overridding
+ formfiller
+ link following
+ webkit inspector usage
+ scroll commands can take %s, eg scroll 100% for pages
+ chaining of actions, dump_config, print (and other actions that aren't documented yet)
+ overriding variables (such as -u)
+ variable expansion (@var, @{var}, where do they get expanded? can users have their own vars?, should we merge this with the replacement we do for useragent/window title etc?)
+ how %s works for the js command
+* consider switching to CMAKE. (someone already ported the makefile etc)
+