Upgrading from 4.1 to 4.1.3

This should be straightforward, the only breaking change concerns an undocumented (at the time) feature, SharpContext (that's why it's a minor version even if there is technically a BC).

The WithSharpFormContext trait

First, the Code16\Sharp\Http\WithSharpFormContext trait was renamed to Code16\Sharp\Http\WithSharpContext since it can be used in an Entity List context as well.

The entityId() method

And second, the entityId() method of SharpContext was renamed to a much clearer (and less wrongly named...) instanceId() method.