4.2.6

Patches

• Add iframe snippet to README.md: 76dbb5d
• Add .editorconfig: dbe11b1
• Fix indention: 29772e7
• Update NPM devDependencies: e88937e
• Fix uglify failing: 45fbcf0
• Add package-lock.json: 8f3a32d
• Ignore flawed eslint rule: 07a5153
• Add iframe.onload snippet: 3ba85e9
• Make provide return module.dfd: eefdda9
• Fix bug provide returnig defered instead of pledge: 00a86c3
• Append timestamp to URL in case of invalid cache to force a reload: 5999b56