Fix dependecy versions.

Fix dep versions

Add request dep.

No retries for 204 No Content

al_util.js

@@ -31,8 +31,9 @@ let DEFAULT_RETRY = {
  *  Keeps retrying 5XX HTTP responses and any system level errors
  **/
 var defaultRetryCb = function(err){
-    if (err.statusCode >= 500 ||
-        (err.error && err.error.errno)) {
+    if (err && 
+        (err.statusCode >= 500 ||
+        (err.error && err.error.errno))) {
         return true;
     } else {
         return false;

package.json

@@ -18,12 +18,12 @@
     "timekeeper": "^2.1.2"
   },
   "dependencies": {
-    "async": "*",
-    "debug": "*",
+    "async": "^2.6.1",
+    "debug": "^4.1.0",
     "moment": "^2.19.2",
     "protobufjs": "^6.8.8",
-    "request": "*",
-    "request-promise-native": "*",
+    "request": "^2.88.0",
+    "request-promise-native": "^1.0.5",
     "retry": "^0.12.0"
   },
   "author": "Alert Logic Inc."

test/request_retry_test.js

@@ -13,6 +13,7 @@ const assert = require('assert');
 const nock = require('nock');
 const m_alMock = require('./al_mock');
 const m_alService = require('../al_servicec');
+const EndpointsC = require('../al_servicec').EndpointsC;
 
 describe('HTTP request retry tests', function() {
     beforeEach(function(done) {
@@ -64,6 +65,25 @@ describe('HTTP request retry tests', function() {
             });
     });
 
+    it('No retries on 204 empty response', function(done) {
+        nock('https://' + m_alMock.AL_API)
+            .post('/aims/v1/authenticate')
+            .reply(200, m_alMock.AIMS_RESPONSE_200);
+        nock('https://' + m_alMock.AL_API)
+            .get(/endpoint$/)
+            .reply(204)
+            .get(/endpoint$/)
+            .reply(500, {statusCode: 500});
+        var aimsc = new m_alService.AimsC(
+                m_alMock.AL_API, m_alMock.AIMS_CREDS, '/tmp');
+        var endpointsC = new EndpointsC(m_alMock.AL_API, aimsc, 'cwe');
+
+        endpointsC.getEndpoint('azcollect', 'default').then( resp => {
+            assert.equal(resp, undefined);
+            done();
+        });
+    });
+
     it('Retry 500 with default retry config', function(done) {
         this.timeout(4000);
         nock('https://' + m_alMock.AL_API)