Fix issue where NuGet server returned for FindPackagesById()? a page with a list of entries each with a different version.

Before this commit Paket was just considering the version in the first entry.
RELEASE_NOTES
Bump version to 0.16.2
Merge branch 'bugfix'

Conflicts:
	RELEASE_NOTES.md
	src/Paket.Bootstrapper/Properties/AssemblyInfo.cs
	src/Paket.Core/AssemblyInfo.fs
	src/Paket/AssemblyInfo.fs