Add changelog entry for PR#60

Author: AlexanderWells-diamond

CHANGELOG.rst

@@ -13,6 +13,10 @@ Changed:
 
 - `Remove python2 support <../../pull/64>`
 - `Default DISP to TRUE for all In records <../../pull/74>`
+- `Overhaul record value setting/getting <../../pull/60>`
+
+Added:
+- New longStringIn/longStringOut record types
 
 3.2.1_ - 2021-11-25
 -------------------