Update README for 1.7.0

Indicate that handling corner cases is not limited to a single PR.

Author: bmerry

README.rst

@@ -454,10 +454,10 @@ Revision history
 
 1.7.0
 -----
+- Change a number of corner-case behaviours to match Redis 6.2.6.
 - `#310 <https://github.com/jamesls/fakeredis/pull/310>`_ Fix DeprecationWarning for sampling from a set
 - `#315 <https://github.com/jamesls/fakeredis/pull/315>`_ Improved support for constructor arguments
-- `#316 <https://github.com/jamesls/fakeredis/pull/316>`_ Support redis-py 4,
-  and change some corner-case behaviours to match Redis 6.2.6.
+- `#316 <https://github.com/jamesls/fakeredis/pull/316>`_ Support redis-py 4
 - `#319 <https://github.com/jamesls/fakeredis/pull/319>`_ Add support for GET option to SET
 
 1.6.1