prune readme

fix formatter errors

update docs

switch CMS to use Matrix

use third person in doc comments

allow matrix dimensions to be specified as all valid Int types

add matrix class

fix incorrect depth calculation

WIP table structs

update crystal version

remove cli wrapper script

Use https://github.com/aca-labs/docker-crystal instead

better tests for estimate accuracy

use a pair of random seeds for each hash function

fix travis links

update readme

setup travis builds

add shard metadata

neaten up formatting in docs

check CMS accuracy against hash table lookup

initial functional CMS implementation