Da config version

src/main/kotlin/org/bm00/DataAccessor/Config.kt

@@ -41,7 +41,13 @@ class Config {
     }
     //Convert values from the config file to in-code variables,
     // so we can use them later, also make them public because I said so.
-    val configVersion: Int = (prop.getProperty("configVersion")).toInt()
+    val configVersion =
+        if ((prop.getProperty("configVersion")).toInt() == 1) {
+            println("Correct config version set!")
+        }
+        else {
+            throw Exception("The config version is not correct! Correct version is: " + 1)
+        }
 
     // Possible answers: SWING, XTERM, ECMA48
     val backendType =