All through lg2#

Create a folder
Call init
Delete the .git folder
Call repo.Head

Expected: Libgit2sharp exception
Got: ArgumentNullException

See attached callstack
System.ArgumentNullException: Value cannot be null.
Parameter name: reference
at LibGit2Sharp.Core.Ensure.ArgumentNotNull(Object argumentValue, String argumentName)
at LibGit2Sharp.ReferenceWrapper1..ctor(Repository repo, Reference reference, Func2 canonicalNameSelector)
at LibGit2Sharp.Branch..ctor(Repository repo, Reference reference, Func`2 canonicalNameSelector)
at LibGit2Sharp.Branch..ctor(Repository repo, Reference reference, String canonicalName)
at LibGit2Sharp.DetachedHead..ctor(Repository repo, Reference reference)
at LibGit2Sharp.Repository.get_Head()
--> My call