should be null and should not' (be null) are failling

[theburningmonk]

Just tried these on 1.3.0.1 and both are throwing null ref exception
"123" |> should be null
"123" |> should not' (be null)
null |> should be null

using Nunit's Assert.That(null, Is.Null) works

[pver]

I had a similar issue with this until I noticed I forgot I had to use Null instead of null:

"123" |> should be Null
"123" |> should not' (be Null)
null |> should be Null

would be nice to have it working with 'null' as well though

[sergey-tihon]

Released in v1.4.1