separatorKeyCodes not working for any code except 32

[CrystalHillVineyard]

PLEASE MAKE SURE THAT:

• you searched similar issues online (9/10 issues in this repo are solved by googling, so please...do it)
• you provide an online demo I can see without having to replicate your environment
• you help me by debugging your issue, and if you can't, do go on filling out this form

I'm submitting a ... (check one with "x")

[ ] bug report => search github for a similar issue or PR before submitting
[ ] support request/question

Notice: feature requests will be ignored, submit a PR if you'd like

Current behavior

Expected behavior

Minimal reproduction of the problem with instructions (if applicable)

What do you use to build your app?. Please specify the version

Angular version:

ngx-chips version:

Browser: [all | Chrome XX | Firefox XX | IE XX | Safari XX | Mobile Chrome XX | Android X.X Web Browser | iOS XX Safari | iOS XX UIWebView | iOS XX WKWebView ]