2018-05-22	1.00	- initial release
2018-05-22	1.01	- fix can package (remove trash files)
2018-05-22	1.02	- fix Kwalitee and packaging issues
2018-05-23	1.03	- fix fragments insertion, add Selector::Entry::pseudoElement and allow delete $node->{attr} to remove attribute.
2018-05-23	1.04	- add missing myhtml_tree_node_remove, extend Collection API
2018-05-27	1.05	- fix specificity calculation
2018-05-27	1.06	- fix tests passing on 32-bit machines
2018-05-27	1.07	- fix crash on OpenBSD (use semaphore instead of mutex)
