Change a few things about the example.

Assert that k is always less than or equal to c.

Fix README docs to reflect mark/check instead of set/get.

Move statistics-based tests out of bloom.rs into an example (for now).

Add name parameter to BloomFilter trait.

Make block allocation lazy.

Extract common tests to bloom.rs from blocked.rs and standard.rs

Extract out test functionality to false_positive_probability

Switch from set and get to check and mark.

Define an optimal_hashers and export it.

Remove the BloomFilterCreate trait.

Tweak the test_all test for the BloomFilter trait.

Move some functionality from Standard and Blocked into the BloomFilter trait.

reformat bit_array

Move the Block type out of BlockedBloom into StandardBloom.