Hide some exception classes which do not need to be public (internal only)

Author: uschindler

src/main/java/de/thetaphi/forbiddenapis/WrapperRuntimeException.java

@@ -17,7 +17,7 @@
  */
 
 @SuppressWarnings("serial")
-public final class WrapperRuntimeException extends RuntimeException {
+final class WrapperRuntimeException extends RuntimeException {
 
   public WrapperRuntimeException(Exception e) {
     super(e);

src/main/java/de/thetaphi/forbiddenapis/cli/ExitException.java

@@ -4,7 +4,7 @@
  * Used by the CLI to signal process exit with a specific exit code
  */
 @SuppressWarnings("serial")
-public final class ExitException extends Exception {
+final class ExitException extends Exception {
   public final int exitCode;
 
   public ExitException(int exitCode) {