Clip in the wall. Everything looks good, but core_test needs to be fixed to reflect the deftype changes.
clip. Added RandomAccessMapEntry, still in the middle of fixing tests.
Tests pass, it is balanced, and the tests use the RandomAccessMap protocol.
clip in the wall. Fixing tests, adding disjoin-nth.
Clean up the tests. TODO:
 * include empty-set tests
 * include wierd-order tests
 * include large-set tests
Improve the printout on the tests when they fail. clip.
Improve printout of tests, fix one of the tests
Fix all tests. Omit the remove-nth tests. The rest passes with flying colors.
Fix the bug in remove-nth
Fix a balancing bug in remove, rename remove-raw
The tests. They pass. TODO: Fix seq and split balance.
Fix travis config.