release v0.1.18

release 0.1.17

release 0.1.16

release 0.1.15

release 0.1.14

release 0.1.13

Co-authored-by: OpenAI Codex <codex@openai.com>

release 0.1.12

release 0.1.11

release 0.1.10

Bump the gem version to 0.1.10 and make the gemspec ignore missing optional files so gem builds do not fail when DESIGN.txt is absent.

release v0.1.9