Manifest.txt in statsample-0.12.0 vs Manifest.txt in statsample-0.13.0

@@ -23,10 +23,11 @@
 examples/polychoric.rb
 examples/principal_axis.rb
 examples/reliability.rb
 examples/t_test.rb
 examples/tetrachoric.rb
+examples/u_test.rb
 examples/vector.rb
 lib/distribution.rb
 lib/distribution/chisquare.rb
 lib/distribution/f.rb
 lib/distribution/normal.rb
@@ -37,12 +38,11 @@
 lib/statsample.rb
 lib/statsample/anova.rb
 lib/statsample/anova/oneway.rb
 lib/statsample/anova/twoway.rb
 lib/statsample/bivariate.rb
-lib/statsample/bivariate/polychoric.rb
-lib/statsample/bivariate/tetrachoric.rb
+lib/statsample/bivariate/pearson.rb
 lib/statsample/codification.rb
 lib/statsample/combination.rb
 lib/statsample/converter/csv.rb
 lib/statsample/converter/spss.rb
 lib/statsample/converters.rb
@@ -99,10 +99,9 @@
 test/test_anovaoneway.rb
 test/test_anovatwoway.rb
 test/test_anovatwowaywithdataset.rb
 test/test_anovawithvectors.rb
 test/test_bivariate.rb
-test/test_bivariate_polychoric.rb
 test/test_codification.rb
 test/test_combination.rb
 test/test_crosstab.rb
 test/test_csv.csv
 test/test_csv.rb