1.50-beta8 deploy

Add discriminated union (manual, not integrated) example

1.50-beta6 package

1.50-beta5 deploy

Merge pull request DapperLib#412 from StackExchange/QueryFirstOrDefault

Add {Query|Read}FirstOrDefault methods with optimized paths

Add copyright

1.50-beta1 release

Fix problem with DynamicParameters.Get<T> being called before the par…

…ameters have been added