Add requirements.txt and supporting changes

Author: mackgalante

LDT.py

@@ -1,18 +1,17 @@
 import pandas as pd
 import requests
+import certifi
+import google.auth.transport.requests
+from google.auth import crypt
+from google.oauth2 import service_account
 import json
 import time
-import datetime
 import os
 import sys
 import argparse
 import base64
-import certifi
-import threading
 import logging
-import google.auth.transport.requests
-from google.auth import crypt
-from google.oauth2 import service_account
+import threading
 from threading import Barrier
 from LDT_Addendum import vignAccPairs, payloadHeader, payloadFooter, ldtVersion, hitlistCP, hitlistIM, postwoman
 global pfp, audience, perfPath, servAccPath, chkCP

requirements.txt

@@ -0,0 +1,6 @@
+pandas
+requests
+certifi
+google-auth
+google-auth-httplib2
+google-auth-oauthlib