Base of spritesheet system

src/mightypork/util/error/KeyAlreadyExistsException.java

@@ -0,0 +1,22 @@
+package mightypork.util.error;
+
+
+public class KeyAlreadyExistsException extends RuntimeException {
+
+	public KeyAlreadyExistsException() {
+		super();
+	}
+
+	public KeyAlreadyExistsException(String message, Throwable cause) {
+		super(message, cause);
+	}
+
+	public KeyAlreadyExistsException(String message) {
+		super(message);
+	}
+
+	public KeyAlreadyExistsException(Throwable cause) {
+		super(cause);
+	}
+	
+}