3.0.0

Updating version to 3.0 since we are changing to netstandard2.0

2.0.0

Replaces object return type with strongly typed generic return type (a minor but still breaking change).

1.5.0

Add optional return values on all Guard Clauses.

1.4.2

Added OutOfRange options.

1.4.1

Adds ValidatedNotNullAttribute support. (ref: https://stackoverflow.com/questions/44005383/using-a-custom-argument-validation-helper-breaks-code-analysis)

1.4.0

Adding C# 8 nullable reference type support

1.3.3

Added AgainstNegative and AgainstNegativeOrZero guards.
Minor XML comment cleanup

1.3.2

Adding 1.3.2

1.3.1

Looks suspiciously like 1.3.0 but needed to rev it to get release pipeline to work.

1.3.0

This is a minor release that fixes a few bugs, including an ArgumentOutOfRangeException having the wrong message.