Update CHANGES

CHANGES

@@ -3,6 +3,15 @@ Flask-Security Changelog
 
 Here you can see the full list of changes between each Flask-Security release.
 
+Version 1.7.4
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+
+Released October 13th 2014
+
+- Fixed a bug related to changing existing passwords from plaintext to hashed
+- Fixed a bug in form validation that did not enforce case insensivitiy
+
+
 Version 1.7.3
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