Updated history

Author: christkv

HISTORY.md

@@ -4,6 +4,7 @@
 * NODE-562, fixed issue where a Replicaset MongoDB URI with a single seed and replSet name set would cause a single direct connection instead of topology discovery.
 * Updated mongodb-core to 1.2.13.
 * NODE-563 Introduced options.ignoreUndefined for db class and MongoClient db options, made serialize undefined to null default again but allowing for overrides on insert/update/delete operations.
+* Use handleCallback if result is an error for count queries. (Issue #1298, https://github.com/agclever)
 
 2.0.43 09-14-2015
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