Bump version to v1.4.0 (#254)

* bump version to v1.3.5

* bump version to v1.4.0

Author: hyrodium

Project.toml

@@ -1,6 +1,6 @@
 name = "Rotations"
 uuid = "6038ab10-8711-5258-84ad-4b1120ba62dc"
-version = "1.3.4"
+version = "1.4.0"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"