Add auth method to simplify (o)authorization

Change-Id: I318e27375dfece96d0d80f35cd2c2b5bb3b167df
diff --git a/man/clearAccessToken-KorAPConnection-method.Rd b/man/clearAccessToken-KorAPConnection-method.Rd
new file mode 100644
index 0000000..2dfa4b5
--- /dev/null
+++ b/man/clearAccessToken-KorAPConnection-method.Rd
@@ -0,0 +1,29 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/KorAPConnection.R
+\name{clearAccessToken,KorAPConnection-method}
+\alias{clearAccessToken,KorAPConnection-method}
+\alias{clearAccessToken}
+\title{Clear access token from keyring and KorAPConnection object}
+\usage{
+\S4method{clearAccessToken}{KorAPConnection}(kco)
+}
+\arguments{
+\item{kco}{KorAPConnection object}
+}
+\value{
+KorAPConnection object with access token set to \code{NULL}.
+}
+\description{
+Clear access token from keyring and KorAPConnection object
+}
+\examples{
+
+\dontrun{
+kco <- new("KorAPConnection")
+kco <- clearAccessToken(kco)
+}
+
+}
+\seealso{
+\code{\link[=persistAccessToken]{persistAccessToken()}}
+}