use long for internal counters

[rr0gi]

I have a hashmap of 250M+ elements, buckets_num overflows on resize (and thankfully asserts, unlike builtin aa which seems to just corrupt memory) Idk if making it compile-time parameters is better option, or maybe using size_t also I am not sure if changing visible type of cache2q.length is acceptable, hence the cast

[ikod]

Thanks, @rr0gi

will check today

[rr0gi]

rebased to master and removed cast