* added parser-caching for speedier operation, see File.pm prepare()
* further adjustments in tests including fix for prototypes to make
it perl 5.8 compatible
adjusted docs to show Jeff as the new maintainer.
added docs for extended SQL features (joins, etc.) available
with SQL::Statement 1.0 and above.
adjusted tests blobs.t, chopblanks.t, and ak-dbd.t to work with
all versions of SQL::Statement.