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-getConnection.Rd

@@ -0,0 +1,14 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/DBConnection-Connect.R
+\name{DBConnection$getConnection}
+\alias{DBConnection$getConnection}
+\title{DBConnection$getConnection}
+\arguments{
+\item{do_connect}{\if{html}{\out{<logical>}} Forcibly connect if not already connected}
+}
+\value{
+\if{html}{\out{<DBConnection>}} DBConnection instance
+}
+\description{
+Returns the DBConnection instance for this client.
+}