Update Compat minimum

musm · web-flow · commit 8fbc07142f62 · 2017-08-23T15:29:51.000-04:00
diff --git a/REQUIRE b/REQUIRE
@@ -1,2 +1,2 @@
 julia 0.6
-Compat 0.28.0
+Compat 0.27.0
