Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/docs/dyn/youtube_v3.channels.html b/docs/dyn/youtube_v3.channels.html
index 5797fcc..54303b7 100644
--- a/docs/dyn/youtube_v3.channels.html
+++ b/docs/dyn/youtube_v3.channels.html
@@ -115,6 +115,7 @@
         "status": { # JSON template for the status part of a channel. # The status object encapsulates information about the privacy status of the channel.
           "privacyStatus": "A String", # Privacy status of the channel.
           "isLinked": True or False, # If true, then the user is linked to either a YouTube username or G+ account. Otherwise, the user doesn't have a public YouTube identity.
+          "longUploadsStatus": "A String", # The long uploads status of this channel. See
         },
         "invideoPromotion": { # Describes an invideo promotion campaign consisting of multiple promoted items. A campaign belongs to a single channel_id. # The invideoPromotion object encapsulates information about promotion campaign associated with the channel.
           "defaultTiming": { # Describes a temporal position of a visual widget inside a video. # The default temporal position within the video where the promoted item will be displayed. Can be overriden by more specific timing in the item.
@@ -139,6 +140,7 @@
               },
             },
           ],
+          "useSmartTiming": True or False, # Indicates whether the channel's promotional campaign uses "smart timing." This feature attempts to show promotions at a point in the video when they are more likely to be clicked and less likely to disrupt the viewing experience. This feature also picks up a single promotion to show on each video.
           "position": { # Describes the spatial position of a visual widget inside a video. It is a union of various position types, out of which only will be set one. # The spatial position within the video where the promoted item will be displayed.
             "cornerPosition": "A String", # Describes in which corner of the video the visual widget will appear.
             "type": "A String", # Defines the position type.
@@ -356,6 +358,7 @@
   "status": { # JSON template for the status part of a channel. # The status object encapsulates information about the privacy status of the channel.
     "privacyStatus": "A String", # Privacy status of the channel.
     "isLinked": True or False, # If true, then the user is linked to either a YouTube username or G+ account. Otherwise, the user doesn't have a public YouTube identity.
+    "longUploadsStatus": "A String", # The long uploads status of this channel. See
   },
   "invideoPromotion": { # Describes an invideo promotion campaign consisting of multiple promoted items. A campaign belongs to a single channel_id. # The invideoPromotion object encapsulates information about promotion campaign associated with the channel.
     "defaultTiming": { # Describes a temporal position of a visual widget inside a video. # The default temporal position within the video where the promoted item will be displayed. Can be overriden by more specific timing in the item.
@@ -380,6 +383,7 @@
         },
       },
     ],
+    "useSmartTiming": True or False, # Indicates whether the channel's promotional campaign uses "smart timing." This feature attempts to show promotions at a point in the video when they are more likely to be clicked and less likely to disrupt the viewing experience. This feature also picks up a single promotion to show on each video.
     "position": { # Describes the spatial position of a visual widget inside a video. It is a union of various position types, out of which only will be set one. # The spatial position within the video where the promoted item will be displayed.
       "cornerPosition": "A String", # Describes in which corner of the video the visual widget will appear.
       "type": "A String", # Defines the position type.
@@ -564,6 +568,7 @@
     "status": { # JSON template for the status part of a channel. # The status object encapsulates information about the privacy status of the channel.
       "privacyStatus": "A String", # Privacy status of the channel.
       "isLinked": True or False, # If true, then the user is linked to either a YouTube username or G+ account. Otherwise, the user doesn't have a public YouTube identity.
+      "longUploadsStatus": "A String", # The long uploads status of this channel. See
     },
     "invideoPromotion": { # Describes an invideo promotion campaign consisting of multiple promoted items. A campaign belongs to a single channel_id. # The invideoPromotion object encapsulates information about promotion campaign associated with the channel.
       "defaultTiming": { # Describes a temporal position of a visual widget inside a video. # The default temporal position within the video where the promoted item will be displayed. Can be overriden by more specific timing in the item.
@@ -588,6 +593,7 @@
           },
         },
       ],
+      "useSmartTiming": True or False, # Indicates whether the channel's promotional campaign uses "smart timing." This feature attempts to show promotions at a point in the video when they are more likely to be clicked and less likely to disrupt the viewing experience. This feature also picks up a single promotion to show on each video.
       "position": { # Describes the spatial position of a visual widget inside a video. It is a union of various position types, out of which only will be set one. # The spatial position within the video where the promoted item will be displayed.
         "cornerPosition": "A String", # Describes in which corner of the video the visual widget will appear.
         "type": "A String", # Defines the position type.