tidy up paths a little
inline some vars and change order of recursion
change error message slightly
css4 style syntax recognised but not yet doing anything
allow $!
rename some vars, add some jsdoc
add a bit more scoping to the code
support taking a nodestack, but dont use it in matching yet
updated jsdoc for callback to listeners
paths accept node stack but do not return a node from that stack when matched
add capturing flag to expressions
some cases passing now for css4 style path specs
tests for every kind of css4 path spec
one last paths test
curious test failure
implement css4 matching and fix a bug
add some more css4 style tests
update readme
Fix some heading links
update the readme some more