version 0.7.3

- gpio: export free gpios to user
- fix minor errors and warnings
- display error on module window

Signed-off-by: Sanjay Singh Rawat <sanjay.rawat@linaro.org>
diff --git a/powerdebug.h b/powerdebug.h
index 12ef39b..936dcf6 100644
--- a/powerdebug.h
+++ b/powerdebug.h
@@ -13,4 +13,4 @@
  *       - initial API and implementation
  *******************************************************************************/
 
-#define VERSION "0.7.2"
+#define VERSION "0.7.3"