feat: support frame to allow wrapping for `helpers.jsobj()` (#111) 

0.13.0 (#105) * style: change max line length to 88 * style: clean up test code styles * feat: support subscript node for varname * docs: update README.md * ci: remove python3.8 from CI * 0.13.0

0.12.2 (#103) * Add `helpers.exec_code` function to replace `exec` where source code available at runtime * Update README and playground for `exec_code` * Fix type hint for sourcefile parameter * Add future import for annotations * Fix linting * 0.12.2

0.12.1 (#101) * Bump executing to 2.0.1 * 0.12.1