Bump version to v0.4.0

Change-Id: If47a594e25f0bc5469575f3fa27b0f505c79739b
diff --git a/Project.toml b/Project.toml
index f2dc2a9..7c4986e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "DerekoVecs"
 uuid = "d522d5f0-9ae6-4a1c-b144-42ce9f15cae4"
 authors = ["Marc Kupietz"]
-version = "0.3.0"
+version = "0.4.0"
 
 [deps]
 ArtifactUtils = "8b73e784-e7d8-4ea5-973d-377fed4e3bce"