* Add the rest of the edge incidence tests. Make sure it works across
cubes, too.
-* Update the test suite to use the test-framework package.
-
* Add the section (2.9) tests.
-* Figure out why TC.prop_c0120_identity4 and friends are failing.
+* Figure out why the section (2.5) c_ijk1 identity is failing.
+
+* Use distribution combinators[1] to get rid of the orphan instance
+ warnings.
+
+* Update show definitions.
+
+[1] http://stackoverflow.com/questions/4001861/how-small-should-i-make-make-modules-in-haskell