feature: early terminating query

[pvojtechovsky]

Solution for #1120

[monperrus]

it looks good, thanks.

do we need a public interface for CtQueryContext? Would a private class be OK instead?

[pvojtechovsky]

public interface for CtQueryContext? Would a private class be OK instead?

I agree, that for now it can be private. Later I have some plans with it, but it is not mature enough, so it is better to hide it.
I will do it.

[pvojtechovsky]

Looks like this is done from my point of view

[monperrus]

thanks a lot for this series of PRs.

[pvojtechovsky]

Thanks a lot for managing this nice project and for Your time spent on reviews!