add spanish wordlist and remove accents

lib/bitcoin.py

@@ -149,6 +149,8 @@ hash_decode = lambda x: x.decode('hex')[::-1]
 hmac_sha_512 = lambda x,y: hmac.new(x, y, hashlib.sha512).digest()
 
 def is_new_seed(x, prefix=version.SEED_BIP44):
+    import mnemonic
+    x = mnemonic.Mnemonic.prepare_seed(x)
     s = hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')
     return s.startswith(prefix)