[2.7] bpo-19225: Lack of c api exceptions doc (#964)

* Keep the c-api exception doc up-to-date

cherry-pick'ed from ec1f5df..e3d6db3 and fix conflict
diff --git a/Misc/ACKS b/Misc/ACKS
index 647d59d..cacf7e5 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -717,6 +717,7 @@
 Jan Kim
 Taek Joo Kim
 Sam Kimbrel
+Tomohiko Kinebuchi
 W. Trevor King
 Paul Kippes
 Steve Kirsch