fix call with error handler not throwing on call itself

package.json

 {
   "name": "rpclibrary",
-  "version": "1.8.1",
+  "version": "1.8.2",
   "description": "rpclibrary is a websocket on steroids!",
   "main": "./js/Index.js",
   "repository": {

src/Frontend.ts

             return await this.socket.call.apply(this.socket, [rpcname, ...args])
         }catch(e){
             this.emit('error', e)
+            throw e
         }
     }
 

test/Test.ts

         })
 
         sock.connect().then(_ => {
-            sock.call("unknownRPC123", "AAAAA").catch(e => {
-                console.log("unexpected call catch clause");
-                done(e)
-            })
+            sock.call("unknownRPC123", "AAAAA").catch(e => { /* ignore */})
         }).catch(e => {
             console.log("unexpected connect catch clause");
             done(e)