Bump version, fix for bad Double cast.

Here's an attempt at fixing a bug I occasionally see in Hive logs:

Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row [Error getting row data with exception java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Double
	at org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaDoubleObjectInspector.get(JavaDoubleObjectInspector.java:40)
	at org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:259)
	at org.apache.hadoop.hive.serde2.SerDeUtils.buildJSONString(SerDeUtils.java:354)
	at org.apache.hadoop.hive.serde2.SerDeUtils.getJSONString(SerDeUtils.java:220)
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:665)
	at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:141)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:418)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:333)
	at org.apache.hadoop.mapred.Child$4.run(Child.java:268)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
	at org.apache.hadoop.mapred.Child.main(Child.java:262)
 ]
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:673)
	at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:141)
	... 8 more
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Double
	at org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaDoubleObjectInspector.get(JavaDoubleObjectInspector.java:40)
	at org.openx.data.jsonserde.JsonSerDe.serializeField(JsonSerDe.java:313)
	at org.openx.data.jsonserde.JsonSerDe.serializeStruct(JsonSerDe.java:269)
	at org.openx.data.jsonserde.JsonSerDe.serialize(JsonSerDe.java:223)
	at org.apache.hadoop.hive.ql.exec.FileSinkOperator.processOp(FileSinkOperator.java:586)
	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:474)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:800)
	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:83)
	at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:474)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:800)
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:654)
	... 9 more