Refactor version dependant calls to new System

SchematicSystem_Main/src/de/steamwar/schematicsystem/CheckSchemType.java

@@ -20,6 +20,7 @@
 package de.steamwar.schematicsystem;
 
 import de.steamwar.core.Core;
+import de.steamwar.core.VersionedCallable;
 import de.steamwar.sql.Schematic;
 import de.steamwar.sql.SchematicType;
 import org.bukkit.configuration.ConfigurationSection;
@@ -67,14 +68,9 @@ public class CheckSchemType implements ICheckSchemType {
     }
 
     public AutoCheckResult autoCheck(Schematic schematic) {
-        switch(Core.getVersion()){
+        return VersionedCallable.call(new VersionedCallable<>(() -> new AutoCheckResult(), 8),
-            case 15:
+                new VersionedCallable<>(() -> CheckSchemType_12.autoCheck(schematic, null), 12),
-                return CheckSchemType_15.autoCheck(schematic, this);
+                new VersionedCallable<>(() -> CheckSchemType_15.autoCheck(schematic, null), 15));
-            case 12:
-                return CheckSchemType_12.autoCheck(schematic, this);
-            default:
-                return new AutoCheckResult();
-        }
     }
 
     @Override