+ Speed up vm by cython + Change default implement to cython vm
0.1.0
----- *(October 9th, 2020)*
+ A better README + Fix bug: - match error about greediness of plain engine
0.0.4
----- *(October 3rd, 2020)*
+ Add a new match engine, implemented by re virtual machine in pure python + Add a new option to `reb` command to select match engine + Fix bug: - `PTNode.children` should not return all descendants
0.0.3
----- *(September 4th, 2020)*
+ Add command line entry `reb` + New syntax P.n(, exact=x) + New pattern primitive P.onceeach + Lazy-extraction is possible by Pattern.extractiter + Fix bugs: - pattern match error when P.n _to == _from - tags under P.n are all dropped
0.0.2
----- *(August 24, 2020)*
+ Implement example feature + Add new patterns: `P.STARTING`, `P.ENDING` and `P.NEWLINE` + Simulate re interface, adding `Pattern.finditer` and `Pattern.findall` methods