Remove REQUIRE, add [compat] to Project.toml

Author: ScottPJones

Project.toml

@@ -4,7 +4,6 @@ keywords = ["Characters"]
 license = "MIT"
 desc = "Basic functionality for Chr type"
 authors = ["ScottPJones <[email protected]>"]
-version = "0.2.0"
 
 [deps]
 Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
@@ -20,3 +19,9 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
 test = ["Test"]
+
+[compat]
+julia = "^1.0.0"
+ModuleInterfaceTools = "≥ 1.0.0"
+StrAPI = "≥ 1.0.0"
+CharSetEncodings = "≥ 1.0.0"