Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/docs/dyn/content_v2.datafeedstatuses.html b/docs/dyn/content_v2.datafeedstatuses.html
index 61d173d..6644156 100644
--- a/docs/dyn/content_v2.datafeedstatuses.html
+++ b/docs/dyn/content_v2.datafeedstatuses.html
@@ -127,35 +127,35 @@
           "kind": "content#datafeedStatus", # Identifies what kind of resource this is. Value: the fixed string "content#datafeedStatus".
           "errors": [ # The list of errors occurring in the feed.
             { # An error occurring in the feed, like "invalid price".
-              "count": 42, # The number of occurrences of the error in the feed.
+              "count": "A String", # The number of occurrences of the error in the feed.
               "message": "A String", # The error message, e.g., "Invalid price".
               "code": "A String", # The code of the error, e.g., "validation/invalid_value".
               "examples": [ # A list of example occurrences of the error, grouped by product.
                 { # An example occurrence for a particular error.
                   "itemId": "A String", # The ID of the example item.
                   "value": "A String", # The problematic value.
-                  "lineNumber": 42, # Line number in the data feed where the example is found.
+                  "lineNumber": "A String", # Line number in the data feed where the example is found.
                 },
               ],
             },
           ],
           "processingStatus": "A String", # The processing status of the feed.
-          "itemsTotal": 42, # The number of items in the feed that were processed.
+          "itemsTotal": "A String", # The number of items in the feed that were processed.
           "warnings": [ # The list of errors occurring in the feed.
             { # An error occurring in the feed, like "invalid price".
-              "count": 42, # The number of occurrences of the error in the feed.
+              "count": "A String", # The number of occurrences of the error in the feed.
               "message": "A String", # The error message, e.g., "Invalid price".
               "code": "A String", # The code of the error, e.g., "validation/invalid_value".
               "examples": [ # A list of example occurrences of the error, grouped by product.
                 { # An example occurrence for a particular error.
                   "itemId": "A String", # The ID of the example item.
                   "value": "A String", # The problematic value.
-                  "lineNumber": 42, # Line number in the data feed where the example is found.
+                  "lineNumber": "A String", # Line number in the data feed where the example is found.
                 },
               ],
             },
           ],
-          "itemsValid": 42, # The number of items in the feed that were valid.
+          "itemsValid": "A String", # The number of items in the feed that were valid.
           "datafeedId": "A String", # The ID of the feed for which the status is reported.
         },
       },
@@ -178,35 +178,35 @@
     "kind": "content#datafeedStatus", # Identifies what kind of resource this is. Value: the fixed string "content#datafeedStatus".
     "errors": [ # The list of errors occurring in the feed.
       { # An error occurring in the feed, like "invalid price".
-        "count": 42, # The number of occurrences of the error in the feed.
+        "count": "A String", # The number of occurrences of the error in the feed.
         "message": "A String", # The error message, e.g., "Invalid price".
         "code": "A String", # The code of the error, e.g., "validation/invalid_value".
         "examples": [ # A list of example occurrences of the error, grouped by product.
           { # An example occurrence for a particular error.
             "itemId": "A String", # The ID of the example item.
             "value": "A String", # The problematic value.
-            "lineNumber": 42, # Line number in the data feed where the example is found.
+            "lineNumber": "A String", # Line number in the data feed where the example is found.
           },
         ],
       },
     ],
     "processingStatus": "A String", # The processing status of the feed.
-    "itemsTotal": 42, # The number of items in the feed that were processed.
+    "itemsTotal": "A String", # The number of items in the feed that were processed.
     "warnings": [ # The list of errors occurring in the feed.
       { # An error occurring in the feed, like "invalid price".
-        "count": 42, # The number of occurrences of the error in the feed.
+        "count": "A String", # The number of occurrences of the error in the feed.
         "message": "A String", # The error message, e.g., "Invalid price".
         "code": "A String", # The code of the error, e.g., "validation/invalid_value".
         "examples": [ # A list of example occurrences of the error, grouped by product.
           { # An example occurrence for a particular error.
             "itemId": "A String", # The ID of the example item.
             "value": "A String", # The problematic value.
-            "lineNumber": 42, # Line number in the data feed where the example is found.
+            "lineNumber": "A String", # Line number in the data feed where the example is found.
           },
         ],
       },
     ],
-    "itemsValid": 42, # The number of items in the feed that were valid.
+    "itemsValid": "A String", # The number of items in the feed that were valid.
     "datafeedId": "A String", # The ID of the feed for which the status is reported.
   }</pre>
 </div>
@@ -228,35 +228,35 @@
         "kind": "content#datafeedStatus", # Identifies what kind of resource this is. Value: the fixed string "content#datafeedStatus".
         "errors": [ # The list of errors occurring in the feed.
           { # An error occurring in the feed, like "invalid price".
-            "count": 42, # The number of occurrences of the error in the feed.
+            "count": "A String", # The number of occurrences of the error in the feed.
             "message": "A String", # The error message, e.g., "Invalid price".
             "code": "A String", # The code of the error, e.g., "validation/invalid_value".
             "examples": [ # A list of example occurrences of the error, grouped by product.
               { # An example occurrence for a particular error.
                 "itemId": "A String", # The ID of the example item.
                 "value": "A String", # The problematic value.
-                "lineNumber": 42, # Line number in the data feed where the example is found.
+                "lineNumber": "A String", # Line number in the data feed where the example is found.
               },
             ],
           },
         ],
         "processingStatus": "A String", # The processing status of the feed.
-        "itemsTotal": 42, # The number of items in the feed that were processed.
+        "itemsTotal": "A String", # The number of items in the feed that were processed.
         "warnings": [ # The list of errors occurring in the feed.
           { # An error occurring in the feed, like "invalid price".
-            "count": 42, # The number of occurrences of the error in the feed.
+            "count": "A String", # The number of occurrences of the error in the feed.
             "message": "A String", # The error message, e.g., "Invalid price".
             "code": "A String", # The code of the error, e.g., "validation/invalid_value".
             "examples": [ # A list of example occurrences of the error, grouped by product.
               { # An example occurrence for a particular error.
                 "itemId": "A String", # The ID of the example item.
                 "value": "A String", # The problematic value.
-                "lineNumber": 42, # Line number in the data feed where the example is found.
+                "lineNumber": "A String", # Line number in the data feed where the example is found.
               },
             ],
           },
         ],
-        "itemsValid": 42, # The number of items in the feed that were valid.
+        "itemsValid": "A String", # The number of items in the feed that were valid.
         "datafeedId": "A String", # The ID of the feed for which the status is reported.
       },
     ],