Multiple ASK calls in the browse, causing genWait to generate the same value

[bigBron]

neffos.js/src/neffos.ts

Lines 367 to 368 in 4a8b371

	let now = window.performance.now();
	return waitComesFromClientPrefix + now.toString();

[bigBron]

@kataras Can I use this library to generate a wait string ？https://github.com/dylang/shortid
The characters used： 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_

[bigBron]

I have tried it and found no problem. I wonder if there is any compatibility problem?