Use integer DBI interface to cache DBI information for speed
v0.002003

 [Performance Improvements]
 - Cache database information using the 'dbi' integer interface.
 - Mutli-Transaction writes up to 9% faster, up to 0.0005s faster per 10.
 - Mutli-Transaction reads up to 10% faster, up to 0.0006s faster per 10.
post-release cleanup