Consider add IList<T>.Sort(index, count, comparer) overload

[Zuo Baoquan]

Sorts the elements in a range of elements in List<T> using the specified comparer.

https://msdn.microsoft.com/en-us/library/8ce6t5ad(v=vs.110).aspx

[Stefan Glienke]

added IList<T>.Sort overload with index and count (resolves issue #202)

→ <<cset 4a52e423b307>>