CHANGELOG: Fixed false nil values for empty strings

CHANGELOG.md

@@ -29,6 +29,7 @@ Bugfixes:
   - Fixed MySQL 4.1 support: MySQL 4.1 sends packets with lengths which differ from the specification
   - Convert to DB timezone when inserting time.Time
   - Splitted packets (more than 16MB) are now merged correctly
+  - Fixed empty string producing false nil values
 
 
 ## 1.0 (2013-05-14)