Add PRs to changelogs

contracts/exchange/CHANGELOG.json

@@ -17,6 +17,10 @@
             {
                 "note": "Refactor example contracts that use `executeTransaction`",
                 "pr": 1753
+            },
+            {
+                "note": "Upgrade all string reverts to rich reverts",
+                "pr": 1761
             }
         ]
     },

contracts/extensions/CHANGELOG.json

@@ -34,7 +34,7 @@
             },
             {
                 "note": "Update tests for rich reverts",
-                "pr": TODO
+                "pr": 1761
             }
         ],
         "timestamp": 1563006338

contracts/test-utils/CHANGELOG.json

@@ -12,15 +12,15 @@
             },
             {
                 "note": "Inherit `chaiSetup` from `@0x/dev-utils`",
-                "pr": TODO
+                "pr": 1761
             },
             {
                 "note": "Add `generatePseudoRandomOrderHash()` to `orderUtils`",
-                "pr": TODO
+                "pr": 1761
             },
             {
                 "note": "Inherit `OrderStatus` from `@0x/types`",
-                "pr": TODO
+                "pr": 1761
             }
         ]
     },

contracts/utils/CHANGELOG.json

@@ -9,6 +9,10 @@
             {
                 "note": "Add LibEIP712 contract",
                 "pr": 1753
+            },
+            {
+                "note": "Add `RichErrors` and `mixins/MRichErrors`",
+                "pr": 1761
             }
         ]
     },