Feature * Highest protocol version for pickle.dump to improve performance ([232](https://github.com/mcbeet/mecha/issues/232)) ([`2045360`](https://github.com/mcbeet/mecha/commit/204536038ea5ae3d3d26f00dc5b5447f1cb5e563))
0.62.2
Fix * Use slots for ast nodes ([`940854e`](https://github.com/mcbeet/mecha/commit/940854e4756a5001f62bc53770edd2a55f1daf90)) * Stop using importlib.resources.read_text ([`6c6b965`](https://github.com/mcbeet/mecha/commit/6c6b965a15594669641f1a595c8d16c9b1564a06))