add rlang to imports

cpsievert · cpsievert · commit 88bc3177fb20 · 2018-04-02T15:16:44.000-05:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -40,6 +40,7 @@ Imports:
     dplyr,
     tibble,
     lazyeval (>= 0.2.0),
+    rlang,
     crosstalk,
     purrr,
     data.table
