better test of Body (action "HTTP")

config.js

 /**
  * @author Rolf Niepraschk (Rolf.Niepraschk@ptb.de)
- * version: 2018-08-21
+ * version: 2018-10-01
  */
 
 var fs = require('fs');
@@ -8,10 +8,12 @@ var fs = require('fs');
 /**
  * Datenstruktur mit Default-Werten
  */
+ 
+// TODO: Get VERSION & DATE from "package.json"
 var cfg = {
   // Nur wenn sie mit '?' beginnt, wird Eintrag aus "package.json" verwendet
-  VERSION: '12.11.2', 
-  DATE: '2018-04-18',
+  VERSION: '12.11.3', 
+  DATE: '2018-10-01',
   RELAY_PORT: 55555,
   WEBSOCKET_PORT: 9001,
   DEFAULT_EXEC_TIMEOUT: 60000, // msec

http.js

@@ -21,9 +21,19 @@ var logger = cfg.logger;
  */
 function call(pRef, js) {
   var host = url.parse(js.Url).hostname;
-  var method = js.Method ? js.Method : (js.Body ? 'POST' : 'GET');
+  var method;
   var json = js.Json || false;
   var proxy = process.env.http_proxy;
+  if (js.Body) {
+    method = 'POST';
+    if (typeof js.Body != 'string' && typeof js.Body != 'Buffer') {
+      response.prepareError(pRef, js, 
+        'Body must be of type string or Buffer!');
+      return;
+    }
+  } else {
+    method = 'GET';
+  }
   if (process.env.no_proxy) {
     var np = process.env.no_proxy.split(',');
     for (var i=0;i<np.length;i++) {

package.json

 {
   "name": "relayServer",
-  "version": "12.7.4",
+  "version": "12.11.3",
   "description": "Nodejs-basierter http-Server für Messaufgaben",
   "author": {
     "name": "Rolf Niepraschk",