message: include 4.20 in automatic builds
diff: @@ -5,7 +5,7 @@ import time
  import shutil
  import zipfile
  -UE_VERSIONS = ['4.15', '4.16', '4.17', '4.18', '4.19']
  +UE_VERSIONS = ['4.15', '4.16', '4.17', '4.18', '4.19', '4.20']
  PYTHON_VERSIONS = ["C:/Program Files/Python36", "C:/Program Files/Python37", "C:/Python27"]
  RELEASE_DIR = sys.argv[1].rstrip('/')
  