tempalte strings & bugfixes

package.json

 {
   "name": "rpclibrary",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "description": "rpclibrary is a websocket on steroids!",
   "main": "./js/Index.js",
   "repository": {
     "@types/mocha": "^5.2.7",
     "@types/node": "^11.13.19",
     "mocha": "^6.2.0",
+    "nyc": "^15.0.0",
     "ts-loader": "^5.3.3",
     "ts-mocha": "^6.0.0",
     "typedoc": "^0.15.0",

test/Test.ts

 const add = (...args:number[]) => {return args.reduce((a,b)=>a+b, 0)}
 function makeServer(){
     let subcallback
-    return new RPCServer<{ topic: string }>(21000, [{
+    return new RPCServer<{ topic: string }>(21010, [{
         name: "test",
         exportRPCs: () => [
             {
 
     before(async() => {
         server = makeServer()
-        client = new RPCSocket(21000, "localhost")
+        client = new RPCSocket(21010, "localhost")
         return await client.connect()
     })
 
     let server: RPCServer<{topic: string}> 
 
     before(async() => {
-        server = new RPCServer<{ topic: string }>(21000, [{
+        server = new RPCServer<{ topic: string }>(21010, [{
             name: "test",
             exportRPCs: () => [{
                 name: 'subscribe',
             closeHandler: (socket) => { },
             errorHandler: (socket, err) => { throw err }
         })
-        client = new RPCSocket(21000, "localhost")
+        client = new RPCSocket(21010, "localhost")
         return await client.connect()
     })