Simple key value store which uses the filesystem advantages
NOTE: Project WIP, we are testing it heavily at the moment and make fixes based on that.
``` use simplestore::{Store};
let s = Store::new();
// Set the store dir (keep in mind the permissions) s.ssd("/opt/simplestore");
s.put("user", "user12345", String::from("data"));
let result = s.get("user", "user12345"); // Result