Merge branch 'master' of github.com:dcdillon/RcppHoney

Author: dcdillon

README.md

@@ -11,6 +11,7 @@ The goal is to provide full featured interoperability between any iterator based
 ### Example
 
 ```c++
+// [[Rcpp::plugins(cpp11)]]
 // [[Rcpp::depends(RcppHoney)]]
 
 #include <RcppHoneyForward.hpp> // we have to do this because we're going to hook in a non-default structure