Change Schematic version dependant calls

SpigotCore_Main/src/de/steamwar/sql/Schematic.java

@@ -21,6 +21,7 @@ package de.steamwar.sql;
 
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import de.steamwar.core.Core;
+import de.steamwar.core.VersionedCallable;
 import org.bukkit.entity.Player;
 
 import java.io.IOException;
@@ -189,17 +190,8 @@ public class Schematic {
 			if(schemData == null)
 				throw new IOException("SchemData is null");
 			InputStream is = schemData.getBinaryStream();
-			switch(Core.getVersion()){
+			return VersionedCallable.call(new VersionedCallable<>(() -> Schematic_8.getClipboard(is, schemFormat), 8),
-				case 8:
+					new VersionedCallable<>(() -> Schematic_14.getClipboard(is, schemFormat), 14));
-				case 9:
-				case 10:
-				case 12:
-					return Schematic_8.getClipboard(is, schemFormat);
-				case 14:
-				case 15:
-				default:
-					return Schematic_14.getClipboard(is, schemFormat);
-			}
 		} catch (SQLException e) {
 			throw new IOException(e);
 		}