Add package matching bugfix to CHANGES

Author: mlenzen

CHANGES.rst

@@ -25,6 +25,8 @@ Unreleased
 -   QuerySelectField.query allowing no results instead of falling back to
     ``query_factory``. (`#15`_)
 -   Explicitly check if db_session is None in converter. (`#17`_)
+-   Check for ``sqlalchemy.`` to avoid matching packages with names starting
+    with ``sqlalchemy`` (6237a0f_)
 
 .. _#2: https://github.com/wtforms/wtforms-sqlalchemy/pull/2
 .. _#3: https://github.com/wtforms/wtforms-sqlalchemy/pull/3
@@ -36,7 +38,7 @@ Unreleased
 .. _#11: https://github.com/wtforms/wtforms-sqlalchemy/pull/11
 .. _#15: https://github.com/wtforms/wtforms-sqlalchemy/pull/15
 .. _#17: https://github.com/wtforms/wtforms-sqlalchemy/pull/17
-
+.. _6237a0f: https://github.com/wtforms/wtforms-sqlalchemy/commit/6237a0f9e53ec5f22048be7f129e29f7f1c58448
 
 Version 0.1
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