Bump version from 0.19.0 to 0.19.1

Author: odow

Project.toml

@@ -1,6 +1,6 @@
 name = "DataStructures"
 uuid = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
-version = "0.19.0"
+version = "0.19.1"
 
 [deps]
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"