refactor the whole damn thing

src/MessageHandler/stateSet.js

@@ -0,0 +1,24 @@
+
+export function readStateSet (decoder) {
+  let ss = new Map()
+  let ssLength = decoder.readUint32()
+  for (let i = 0; i < ssLength; i++) {
+    let user = decoder.readVarUint()
+    let clock = decoder.readVarUint()
+    ss.set(user, clock)
+  }
+  return ss
+}
+
+export function writeStateSet (encoder) {
+  let lenPosition = encoder.pos
+  let len = 0
+  encoder.writeUint32(0)
+  this.ss.iterate(this, null, null, function (n) {
+    encoder.writeVarUint(n.id[0])
+    encoder.writeVarUint(n.clock)
+    len++
+  })
+  encoder.setUint32(lenPosition, len)
+  return len === 0
+}