Updated change log

diff --git a/Changelog b/Changelog
index 5d3b669..4b00d0b 100644
--- a/Changelog
+++ b/Changelog
@@ -13,4 +13,6 @@ v0.3
  - Providing three ways to calculate the suggested price: weighted average (default), median, and mode (most popular value)
  - Number of times item seen in stores can be turned off
  - Min / max can be turned off
-
\ No newline at end of file
+
+ v0.4
+ - Added missing default values