add requireAnyScope
requireAnyScope parameter is of type array
restore getAttributes() and getAttribute($key) again
update tokenintrospection to draft-richer-oauth-introspection-04
do more introspection data checking
add 101 test file
use the x-ext instead of x-attributes field from the token introspection endpoint, x-entitlement is now returned as array by the AS, update tests to reflect this
update tests, update some error messages, make sure x-entitlement is array
fix unit tests, php turns big numbers in "double" instead of int, strange...