bpo-32147: Improved perfomance of binascii.unhexlify(). (GH-4586)

diff --git a/Misc/ACKS b/Misc/ACKS
index dee022f..e2addfc 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -460,6 +460,7 @@
 Troy J. Farrell
 Jim Fasarakis-Hilliard
 Mark Favas
+Sergey Fedoseev
 Boris Feld
 Thomas Fenzl
 Niels Ferguson
diff --git a/Misc/NEWS.d/next/Library/2017-11-28-10-23-13.bpo-32147.PI2k1Y.rst b/Misc/NEWS.d/next/Library/2017-11-28-10-23-13.bpo-32147.PI2k1Y.rst
new file mode 100644
index 0000000..e02a97c
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2017-11-28-10-23-13.bpo-32147.PI2k1Y.rst
@@ -0,0 +1,2 @@
+:func:`binascii.unhexlify` is now up to 2 times faster.
+Patch by Sergey Fedoseev.