updated wire version max
Increased WIRE_VERSION_MAX to 8 to support 4.2 features.
@@ -41,7 +41,7 @@ BSON_BEGIN_DECLS
/* protocol versions this driver can speak */
#define WIRE_VERSION_MIN 3
-#define WIRE_VERSION_MAX 7
+#define WIRE_VERSION_MAX 8
/* first version that supported "find" and "getMore" commands */
#define WIRE_VERSION_FIND_CMD 4
