Update Project.toml

Fix Julia compat to be strictly between v1.0.0 to v1.5.X included.

Author: luraess

Project.toml

@@ -4,7 +4,7 @@ authors = ["Samuel Omlin", "Ludovic Räss"]
 version = "0.5.0"
 
 [compat]
-julia = "1.0, 1.1, 1.2, 1.3, 1.4, 1.5"
+julia = "~1.0, ~1.1, ~1.2, ~1.3, ~1.4, ~1.5"
 CUDA = "1, 2"
 MacroTools = "0.5"