Without this commit go test fails with go 1.16 with the following error message:
./commands.go:360:60: conversion from int to string yields a string of one rune, not a string of digits (did you mean fmt.Sprint(x)?)
./cap_test.go:104:46: conversion from untyped int to string yields a string of one rune, not a string of digits (did you mean fmt.Sprint(x)?)
FAIL github.com/lrstanley/girc [build failed]
Without this commit
go test
fails with go 1.16 with the following error message: