Slay asInstanceOf cast in Parameters trait
Async API client
Test API errors with async Dispatch client
Remove any2Id implicit
Tidying up
Add results convenience member to responses
Provide a Dispatch async API instance
Some doc comments
Replace Id case class wrapper with type alias
Reinstate response implicits

e.g. you can now once again use Api.tags.results in place of Api.tags.response.results
Remove pointless imports (cheers, IntelliJ)
Use the default Dispatch async client instance in tests
Revert various changes to ExampleUsageTest
Remove unnecessary explicit Id types from responses
Remove unused import
Implement map natively for dispatch.Promise
Async example in README
Drop scala 2.9.x support
Monad instance for scala.concurrent.Future
Implement map natively for Future