Merge pull request #112 from mironal/add-version-option

add support --version option

Sources/XcodeGen/main.swift

@@ -15,6 +15,8 @@ import ProjectSpec
 import JSONUtilities
 import Rainbow
 
+let version = "1.3.0"
+
 func generate(spec: String, project: String) {
 
     let specPath = Path(spec).normalize()
@@ -58,4 +60,4 @@ command(
     Option<String>("spec", "project.yml", flag: "s", description: "The path to the spec file"),
     Option<String>("project", "", flag: "p", description: "The path to the folder where the project should be generated"),
     generate)
-    .run()
+    .run(version)