SPREAD Strategy ends process unexpectedly when doing continuos requests (usinc async functions!?)

[Colorfulstan]

See Colorfulstan/LeagueJS#20
Workaround (using BURST instead of SPREAD)
Colorfulstan/LeagueJS#20 (comment)

Something weird going on there.
I suspect it's related to 154eb8a In some way.

But strange that it only comes up now and not earlier, as this should have caused issues already.