Ensure to have a single instance of a SUT's tracker
Ensure to have a single instance of a SUT's tracker

The multiton design pattern is implemented for the tracker classes
to ensure having a single instance for every SUT.

renatahodovan/fuzzinator,akosthekiss/fuzzinator,renatahodovan/fuzzinator,akosthekiss/fuzzinator,akosthekiss/fuzzinator,renatahodovan/fuzzinator,renatahodovan/fuzzinator,akosthekiss/fuzzinator