Fix getMaterial and setMaterial

BauSystem_Main/src/de/steamwar/bausystem/features/script/command/world/GetMaterial.java

@@ -75,6 +75,6 @@ public class GetMaterial implements SpecialCommand {
         int y = (int) scriptExecutor.getOrItselfValue(command[3]).asLong();
         int z = (int) scriptExecutor.getOrItselfValue(command[4]).asLong();
         scriptExecutor.getLocalVariables().putValue(command[1], new Value.StringValue(world.getBlockAt(x, y, z).getType().name()));
-        return false;
+        return true;
     }
 }

BauSystem_Main/src/de/steamwar/bausystem/features/script/command/world/SetMaterial.java

@@ -78,6 +78,6 @@ public class SetMaterial implements SpecialCommand {
         } catch (Exception e) {
             // Ignored
         }
-        return false;
+        return true;
     }
 }