lib/database/leveluparrayadapter.js
function LevelUpArrayAdapter(name, db, serializer) {
  this.db = Sublevel(db);
  this.db = this.db.sublevel(name);
  this.name = name;
  this.serializer = serializer || {
    encode: function(val, callback) {
      callback(null, val);
    },
    decode: function(val, callback) {
      callback(null, val);
    }
  };
}
function LevelUpArrayAdapter(name, db, serializer) {
  this.db = Sublevel(db);
  this.db = this.db.sublevel(name);
  this.name = name;
  this.serializer = serializer || {
    encode: function(val, callback) {
      callback(null, val);
    },
    decode: function(val, callback) {
      callback(null, val);
    }
  };
}
Level up adapter that looks like an array. Doesn't support inserts.