Issue #13952: Add .csv to mimetypes.types_map

Patch by Geoff Wilson.

diff --cc Misc/NEWS
index 6fbbdb3ac37aa5ec5d231ac1b753d4cc28ce2bb0,735cb8ac31084be08329821f7db7c718cfe2208b..da10aeb444590a8d4efd313619ffc4c661c3148a
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -237,12 -98,9 +237,14 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #13952: Add .csv to mimetypes.types_map.  Patch by Geoff Wilson.
+ 
 +- Issue #26587: the site module now allows .pth files to specify files to be
 +  added to sys.path (e.g. zip files).
 +
 +- Issue #25609: Introduce contextlib.AbstractContextManager and
 +  typing.ContextManager.
 +
  - Issue #26709: Fixed Y2038 problem in loading binary PLists.
  
  - Issue #23735: Handle terminal resizing with Readline 6.3+ by installing our