ropenaire: Search OpenAIRE

#' **Client for the OpenAIRE API**
#'
#' @importFrom readr read_csv read_tsv
#' @importFrom xml2 read_xml
#' @importFrom jsonlite fromJSON
#' @importFrom crul HttpClient
#' @importFrom tibble as_tibble
#' @name ropenaire-package
#' @aliases ropenaire
#' @docType package
#' @author Najko Jahn \email{najko.jahn@@uni-bielefeld.de}
#' @author Scott Chamberlain \email{myrmecocystus@@gmail.com}
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