Move all cache policy-related modules to separate 'policy' subpackage

1 files changed, 3 insertions, 0 deletions

diff --git a/HISTORY.md b/HISTORY.md
index 3d2bb01..7014b22 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -50,6 +50,9 @@ The following undocumented behaviors have been removed:
   `CachedSession.settings`.
   * Previously, some settings could be modified by setting them on either `CachedSession` or `BaseCache`. In some cases this could silently fail or otherwise have undefined behavior.
 
+Internal module changes:
+* The contents of the `cache_control` module have been split up into multiple modules in a new `policy` subpackage
+
 ### 0.9.3 (2022-02-22)
 * Fix handling BSON serializer differences between pymongo's `bson` and standalone `bson` codec.
 * Handle `CorruptGridFile` error in GridFS backend