Manifest.txt in statsample-bivariate-extension-0.13.4 vs Manifest.txt in statsample-bivariate-extension-0.16.0

@@ -2,13 +2,15 @@
 Manifest.txt
 README.txt
 Rakefile
 data/tetmat_matrix.txt
 data/tetmat_test.txt
+grab_references.rb
 lib/statsample/bivariate/extension_version.rb
 lib/statsample/bivariate/polychoric.rb
 lib/statsample/bivariate/polychoric/processor.rb
 lib/statsample/bivariate/tetrachoric.rb
+references.txt
 spec/spec.opts
 spec/spec_helper.rb
 spec/statsample/bivariate/polychoric_processor_spec.rb
 spec/statsample/bivariate/polychoric_spec.rb
 spec/statsample/bivariate/tetrachoric_spec.rb