Where is average pipe? #223

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

[x] bug report => search github for a similar issue or PR before submitting
[ ] feature request

• Ngx-pipes version: 1.X.X

Current behavior

Expected behavior

Minimal reproduction of the problem with instructions

Please tell us about your environment:

• Angular version: 7.X.X

• Node (for AoT issues): node --version =