Fixes LCList's MNO to have privat method return MNO and use a ref parameter for the interval
Expands black-box tests with empty collection factory, allows reference duplicates test check, and read only exceptions check, while fixing additional parameters.
Fixes Choose in IBS
Makes tests more systematic
Adds tests of ICollectionValue
Refactors to count variable to avoid creating that each time
Merge branch 'master' of https://github.com/lundmikkel/C5