Adding README.md.
Adding todo section to README.md.
More cleanup of refactoring remnants.
Removing reflection classes from PropertyMetadataInterface.
It is up to the loader to use reflection classes if necessary.
Renaming Loading namespace to Loader.
Removing Job. PropertyLoaderInterfaces are passed arrays of entities.
Adding todo: find a less hacky way to find loaded entities with their DQL aliases.
Adding EntityMap utility for use with property loaders.
ID collection simplified.
Adding todo: "Create `CachedMetadataFactory`."
Missing punctuation.
Passing property metadata to property loaders.
Adding Travis configuration.