Compiler errors when trying to use this in a SPM package

[kevinrenskers]

And a whole lot more like it.

This is just with the most basic of Swift package:

// swift-tools-version:5.3
// The swift-tools-version declares the minimum version of Swift required to build this package.

import PackageDescription

let package = Package(
  name: "MaakuTest",
  platforms: [
    .macOS(.v10_11),
  ],
  dependencies: [
    .package(url: "https://github.com/KristopherGBaker/Maaku.git", from: "0.6.0")
  ],
  targets: [
    // Targets are the basic building blocks of a package. A target can define a module or a test suite.
    // Targets can depend on other targets in this package, and on products in packages this package depends on.
    .target(
      name: "MaakuTest",
      dependencies: ["Maaku"]),
  ]
)