Fixing race issues the right way

[solidstate1991]

On Sunday, 5 April 2020 at 22:33:50 UTC, Stefan Koch wrote:
>
> Look at your program in a debugger and see if it does spawn 
> threads.
> If it does find out where and why they are spawned.

Thanks for the answer, but it seems the issue was the lack of the 
ability of unittesting such a large package. So I broke out 
collections-d similarly to other projects.