v1.5.1

Version 1.5.1 is out to fix incorrect ranges being returned by some custom MemoryExtensions.Split methods.
The custom MemoryExtensions has also been moved from System to SpanExtensions.

Issues fixed:

• #25 by @laicasaane

Full Changelog: https://github.com/draconware-dev/SpanExtensions.Net/blob/main/Changelog.md