Merge branch 'nightly' into python3

# Conflicts:
#	plexpy/database.py
#	plexpy/version.py

plexpy/mobile_app.py

@@ -18,7 +18,7 @@
 from __future__ import unicode_literals
 from future.builtins import str
 
-import time
+import threading
 
 import plexpy
 if plexpy.PYTHON2:
@@ -32,6 +32,24 @@ else:
 
 
 TEMP_DEVICE_TOKEN = None
+INVALIDATE_TIMER = None
+
+
+def set_temp_device_token(token=None):
+    global TEMP_DEVICE_TOKEN
+    TEMP_DEVICE_TOKEN = token
+
+    if TEMP_DEVICE_TOKEN is not None:
+        global INVALIDATE_TIMER
+        if INVALIDATE_TIMER:
+            INVALIDATE_TIMER.cancel()
+        invalidate_time = 5 * 60  # 5 minutes
+        INVALIDATE_TIMER = threading.Timer(invalidate_time, set_temp_device_token, args=[None])
+        INVALIDATE_TIMER.start()
+
+
+def get_temp_device_token():
+    return TEMP_DEVICE_TOKEN
 
 
 def get_mobile_devices(device_id=None, device_token=None):