update project

Author: Pietro Vertechi

Project.toml

@@ -1,14 +1,16 @@
 name = "StructArrays"
 uuid = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"
-version = "0.4.0"
+version = "0.4.1"
 
 [deps]
 PooledArrays = "2dfb63ee-cc39-5dd5-95bd-886bf059d720"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 WeakRefStrings = "ea10d353-3f73-51f8-a26c-33c1cb351aa5"
 
 [compat]
-PooledArrays = ">=0.5"
+PooledArrays = "0.5"
+Tables = "0.2"
+WeakRefStrings = "0.5, 0.6"
 julia = "1"
 
 [extras]