set debug flag at the start of worker code

src/kiri/client.js

@@ -10,6 +10,7 @@ let KIRI = self.kiri = self.kiri || {},
     host = loc.hostname,
     port = loc.port,
     proto = loc.protocol,
+    debug = self.debug === true,
     time = function() { return new Date().getTime() },
     seqid = 1,
     syncd = {},
@@ -57,7 +58,8 @@ KIRI.work = {
         if (self.createWorker) {
             return self.createWorker();
         } else {
-            return new Worker(`/code/kiri_work.js?${gapp.version}`);
+            let _ = debug ? '_' : '';
+            return new Worker(`/code/kiri_work.js?${_}${gapp.version}`);
         }
     },
 

src/kiri/worker.js

@@ -8,6 +8,7 @@ let BASE = self.base,
     POLY = BASE.polygons,
     time = UTIL.time,
     qtpi = Math.cos(Math.PI/4),
+    debug = self.debug === true,
     ccvalue = this.navigator ? navigator.hardwareConcurrency || 0 : 0,
     concurrent = self.Worker && ccvalue > 3 ? ccvalue - 1 : 0,
     current = self.worker = {
@@ -42,7 +43,8 @@ if (concurrent) {
     }
 
     for (let i=0; i < concurrent; i++) {
-        let minion = new Worker(`/code/kiri_pool.js?${self.kiri.version}`);
+        let _ = debug ? '_' : '';
+        let minion = new Worker(`/code/kiri_pool.js?${_}${self.kiri.version}`);
         minion.onmessage = minhandler;
         minions.push(minion);
     }