Updated C++ library link and added acknowledgement.

bip-0032.mediawiki

@@ -259,7 +259,7 @@ PyCoin (https://github.com/richardkiss/pycoin) is a suite of utilities for deali
 
 A Java implementation is available at https://github.com/bitsofproof/supernode/blob/1.1/api/src/main/java/com/bitsofproof/supernode/api/ExtendedKey.java
 
-A C++ implementation is available at https://github.com/CodeShark/CoinClasses/tree/master/tests/hdwallets
+A C++ implementation is available at https://github.com/ciphrex/mSIGNA/blob/master/deps/CoinCore/src/hdkeys.h
 
 An Objective-C implementation is available at https://github.com/oleganza/CoreBitcoin/blob/master/CoreBitcoin/BTCKeychain.h
 
@@ -281,4 +281,5 @@ A Haskell implementation is available at https://github.com/haskoin/haskoin toge
 
 * Gregory Maxwell for the original idea of type-2 deterministic wallets, and many discussions about it.
 * Alan Reiner for the implementation of this scheme in Armory, and the suggestions that followed from that.
+* Eric Lombrozo for reviewing and revising this BIP.
 * Mike Caldwell for the version bytes to obtain human-recognizable Base58 strings.