Upstream changes:
Version 0.2-7
* Trivial changes (updated package fields, daj)
Version 0.2-6
* Removed deprecated \synopsis in some Rd files (thanks to Prof. Ripley)
A database interface (DBI) definition for communication between R and
relational database management systems. All classes in this package
are virtual and need to be extended by the various R/DBMS
implementations.