prefetch
- Massive optimization of the DBI storage layer - reduce the
amount of connected() calls
- - New ::Storage::DBI method last_dbh() - it will still return a
- newly connected $dbh if we start unconnected, but will not ping
- the server on every invocation unlike dbh()
- Some fixes of multi-create corner cases
- Multiple POD improvements
- Added exception when resultset is called without an argument