Merge pull request #146 from deejgregor/bug-fix-progressstate-visibility

Allow ProgressBarBuilder.setETAFunction to be used externally

Author: ctongfei

src/main/java/me/tongfei/progressbar/ProgressState.java

@@ -8,7 +8,7 @@
  * @author Tongfei Chen
  * @since 0.5.0
  */
-class ProgressState {
+public class ProgressState {
 
     String taskName;
     String extraMessage = "";