Refactored "add state" for entities and players

lib/server/entities/entity.js

@@ -9,6 +9,10 @@ function Entity (id) {
 
 Entity.prototype = {
     addState: function (state, executionTime) {
+        this.addHistory(state, executionTime);
+        this.sequence += 1;
+    },
+    addHistory: function (state, executionTime) {
         var minTime, spliceTo = 0;
         this.state = state;
         this.stateHistory.push({ state: state, executionTime: executionTime });