code: private List<Path.Entry<?>> determinePackageContents() throws IOException {
  		// Determine includes filter
  		ArrayList<Path.Entry<?>> files = new ArrayList<>();
  		// Determine local root of project
  		Path.Root root = project.getParent().getLocalRoot();
  		// Add all files from the includes filter
  		for(int i=0;i!=includes.length;++i) {
  			// Construct a filter from the attribute itself
  			Content.Filter filter = createFilter(includes[i].toString());
  			// Add all files matching the attribute
  			files.addAll(root.get(filter));
  		}
  		// Done
  		return files;
  	}
docs: Identify which files are to be included in the package. This is determined by
  the build/includes attribute in the package manifest.
  
  @return
  @throws IOException