…t maps at least one key to null.
…s deep is broken.
…nted it out). Got $pull and $push casting working. Removed an extra buggy db.close in one of the tests.
…levels to get all tests passing consistently. Try to look into why this is the case later.
… in code + test for $lt, $gt, etc query modifier casting. Made sure to use the same random collection name on ALL tests in model.test.js. Then, noticed that 3 tests appear to fail in a consistently random fashion, so commented them out and will investigate later.
…n't break on multi-field sorts.