old_contents: Package.describe({
      summary: "Standard Mylar packages",
      name: "mylar:platform",
      version: "0.2.1",
      git: "https://github.com/gliesesoftware/mylar.git"
  });
  
  Package.onUse(function (api) {
      api.imply([
          // principal graph
          'mylar:principal@0.2.0',
          // login service for IDP accounts
          'mylar:accounts-idp@0.2.0',
          // meteor changes
          'mylar:meteor-changes@0.2.1'
      ]);
  });
new_contents: Package.describe({
      summary: "Standard Mylar packages",
      name: "mylar:platform",
      version: "0.2.1",
      git: "https://github.com/gliesesoftware/mylar.git"
  });
  
  Package.onUse(function (api) {
      api.imply([
          // principal graph
          'mylar:principal@0.2.0',
          // login service for IDP accounts
          'mylar:accounts-idp@0.2.0',
          // meteor changes
          'mylar:meteor-changes@0.2.3'
      ]);
  });
subject: Upgrade mylar:meteor-changes to 0.2.3