Release 1.3! (#19)

Support the zero-dimensional case

Author: LilithHafner

Project.toml

@@ -1,7 +1,7 @@
 name = "PtrArrays"
 uuid = "43287f4e-b6f4-7ad1-bb20-aadabca52c3d"
 authors = ["Lilith Orion Hafner <lilithhafner@gmail.com> and contributors"]
-version = "1.2.1"
+version = "1.3.0"
 
 [compat]
 julia = "1"