@matthewp I don't believe that I've reintroduced any modern features that'll trip up IE8.
basics so alfredo can look at it
some additional progress, now union doesn't work quite right
Duplicated core comparator tests with sort option included.
makes algebra.subset work with sort by basically ignoring it
making combinator and test
breaking test case, adding assertSubset
a start at a clause refactor
Updates algebra to evaluate clauses in proper order.
@justinbmeyer I was able to run the test suites for can-connect and can-fixture against this branch with no problems.
Updates `set.getSubset` to use clauses and handle order clauses.