v3.0.0

Changelog

• The new keyword is not required anymore. new Wait() changed to Wait().
• The .handle() function now directly return the context passed as first parameter .handle(this, () => {}).
• New approach for delay/pause with .pause(this, milliseconds).
• Async functions are now supported with (done) => { done() }.
• Dev workflow moved from Gulp to Rollup.
• Documentation enhancement.
• Automated tests added.