Added missing changelog entries for 0.8.0

Author: brunobord

CHANGELOG.rst

@@ -5,7 +5,10 @@ ChangeLog
 master (unreleased)
 ===================
 
-* Change `help_text` to `description` in the API (in order to catch up formidable-ui)
+* [ci] Split tox jobs into CircleCI configuration (#189).
+* Skip form validation rules if a field is empty (#191).
+* Fix: Confirmation preset validation would correctly compare using the appropriate types (#177).
+* Change `help_text` to `description` in the API, in order to catch up formidable-ui (#188).
 
 Release 0.7.1 (2017-02-22)
 ==========================
@@ -16,7 +19,6 @@ Release 0.7.1 (2017-02-22)
 * add presets to ContextFormSerializer (#176). Add presets creation directly in a FormidableForm declaration. Rework tests with presets.
 * Fix: error message for preset validation is not the one specified (#185)
 * Improve isort management in tox file (#147)
-* [ci] Split tox jobs into CircleCI configuration (#189)
 
 Release 0.7.0 (2017-02-15)
 ==========================