Updated change log and benchmark script for new version.

CHANGES

@@ -1,5 +1,10 @@
 HikariCP Changes
 
+Changes between 1.2.7 and 1.2.8
+
+ *) Fixed a critical bug introduced in 1.2.7 occurring when the number of
+    concurrently open statements exceeds sixteen.
+
 Changes between 1.2.6 and 1.2.7
 
  *) Finally achieved performance parity between the generated delegates

benchmark.sh

@@ -11,7 +11,7 @@ CLASSPATH=$CLASSPATH:~/.m2/repository/org/apache/tomcat/tomcat-jdbc/7.0.47/tomca
 CLASSPATH=$CLASSPATH:~/.m2/repository/org/apache/tomcat/tomcat-juli/7.0.47/tomcat-juli-7.0.47.jar
 
 CLASSPATH=$CLASSPATH:$JAVA_HOME/lib/tools.jar
-CLASSPATH=$CLASSPATH:./target/HikariCP-1.2.7-SNAPSHOT.jar
+CLASSPATH=$CLASSPATH:./target/HikariCP-1.2.9-SNAPSHOT.jar
 CLASSPATH=$CLASSPATH:./target/test-classes
 
 java -classpath $CLASSPATH \