Re-jigged the class implementation to get better support from roxygen2 and CRAN check(). Majority of public functions are documented (remaining are the CRUD functions)

man/DBConnection-cash-configure.Rd

@@ -0,0 +1,18 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/DBConnection-Configure.R
+\name{DBConnection$configure}
+\alias{DBConnection$configure}
+\title{DBConnection$configure}
+\arguments{
+\item{...}{Named parameters for configuring the connection or a name list of
+parameters}
+}
+\value{
+\if{html}{\out{<list>}} The configuration that has loaded
+}
+\description{
+Configures the DBClient instance.
+
+There are 2 options for configuration, either: pass in a named list; or use
+named parameters.
+}