Clear last value before next use

• Add a work-around for a bug (nwjs/nw.js#7786)
• Improve some variable names
• Did npm audit fix
• Re-published to npm

General improvements

• Improved input validation
• Fixed a typo that didn't cause a bug, but caused an if statement to always return true
• Switched from Travis-CI to GitHub Actions
• Updated devDependencies (ESLint)
• Re-published to npm

Maintenance and ID namespacing

• Better namespace the element ID from #nwdirectory to #nw-programmatic-folder-select
• Improve documentation in README
• Add the "No Ideologies" Code of Conduct
• Updated devDependencies (ESLint)
• Re-published to npm

Support for all NW.js versions

• Tested support for NW.js v0.12.3, v0.14.7, and v0.40.0
• Added screenshots
• Re-published to npm

Correct typo

Tiny typo, yet pretty crucial

• module.export => module.exports

Initial Release

• Error handling to prevent throwing
• Invalid argument type checking with friendly helper warnings
• Basic and Advanced API examples documented
• Linting and Travis-CI set up
• Published to npm