Improve 'prevent-setTimeout' and 'prevent-setInterval' — support ranges in delay

[Yuki2718]

Required if script is obfusucated and thus can not be distinguished by function name, but can be done by delay having some fluctuation than exact value.

uBO implementation: https://github.com/gorhill/uBlock/commit/3b7fa79a6813dd34e18dcd448a1417a67e0f1f58