adapt DESCRIPTION according to #338 and allow purr 0.2.3.

lorenzwalthert · lorenzwalthert · commit edc0ead3b12d · 2018-02-24T23:20:35.000+01:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -8,7 +8,7 @@ Description:
 Imports:
     backports,
     cli,
-    enc,
+    enc (>= 0.1-10),
     magrittr,
     purrr (>= 0.2.3),
     rematch2,
