Release v0.3.1

What's Changed

• Do not directly compile or strip for iOS by @jwerle in #429
• refactor(src/cli/cli.cc): cleanup build by @chicoxyzzy in #430
• chore(bin/version.sh): bump patch by default and remove staging changes by default by @chicoxyzzy in #433
• Fix generated typings by @jwerle in #434
• Fix android platform build target by @jwerle in #437
• Build static clang spaces by @mribbons in #438
• fix(test/src/webview.js) use addEventListener instead of window.onload by @chicoxyzzy in #439
• Clean up internal init, fix 'webview:onload' test by @jwerle in #441

Full Changelog: v0.3.0...v0.3.1