Release 1.16 (only applicable for DB2)

- querytimeout argument fixed from millisecs to secs
- removed threads for canceling statements after batch run
Release 1.16 (only for DB2)

- Ant script modification with new branch name
Release v1.18 (only for DB2)

- Clone tables should not be used without populating original tables
Release 1.19 (only for DB2)

- Adding another timeout checking before calling commit
Rollback doesn't quite work on DB2
Revert 1c9e512..149aae4

This rolls back to commit 1c9e512dc070ec2e8004e135f96deff651cab1ec.
Release 1.20 (only for DB2)

- Need to be checked on the other code
Release 1.21(for DB2)

- Based on Revert "Release 1.16 (only for DB2)"
- Removed debugging messages
Release v1.22 (only for DB2)

- Printing out cloning debugging messages
- FirstLoading flag set to true after the first batchset
Merge branch 'OutOfMemoryError'