0.1.1

This release enables non-incremental builds, outside of the pub build/serve infrastructure.

• Exposed the top level build function. This can be used to run builds.
  • For this release all builds are non-incremental, and delete all previous
    build outputs when they start up.
  • Creates a .build directory which should be added to your .gitignore.
• Added resolve method to BuildStep which can give you a Resolver for an
  AssetId.
  • This is experimental and may get moved out to a separate package.
  • Resolves the full dart sdk so this is slow, first call will take multiple
    seconds. Subsequent calls are much faster though.
  • Will end up marking all transitive deps as dependencies, so your files may
    end up being recompiled often when not entirely necessary (once we have
    incremental builds).
• Added listAssetIds to AssetReader (only matters if you implement it).
• Added delete to AssetWriter (also only matters if you implement it).