1.2.5 (2011-07-13)
==================
- Permit changing all variable names with a single prefix.
1.2.4 (2011-04-11)
==================
- Permit overriding determineSize to control how the batch default and concrete
sizes are determined in subclasses.
- Listify (once we have sliced) rather than assuming batched slices will honour
the complete list protocol.
1.2.3 (2011-04-06)
==================
- Add IRangeFactory and the ability to use backend database hints for efficient
retrieval of pages.
- Remove terrible-scaling getBatchURLs method.