Vectorize corpusQuery and corpusStats

Change-Id: If2deeeeef2b2d64169dd21e5514dac6f8e458b32
diff --git a/R/reexports.R b/R/reexports.R
index f6624ba..1a4d729 100644
--- a/R/reexports.R
+++ b/R/reexports.R
@@ -10,6 +10,9 @@
 #' @importFrom magrittr %>%
 #' @usage lhs \%>\% rhs
 NULL
+#' @importFrom dplyr bind_cols
+#' @export
+dplyr::bind_cols
 #' @importFrom dplyr mutate
 #' @export
 dplyr::mutate
@@ -25,6 +28,18 @@
 #' @importFrom tidyr complete
 #' @export
 tidyr::complete
+#' @importFrom tidyr expand_grid
+#' @export
+tidyr::expand_grid
 #' @importFrom lubridate year
 #' @export
 lubridate::year
+#' @importFrom tibble as_tibble rownames_to_column
+#' @export
+tibble::as_tibble
+tibble::rownames_to_column
+#' @importFrom broom tidy
+#' @export
+broom::tidy
+#' @importFrom ggplot2 ggplot geom_bar geom_line
+#' @export