gh-146431: Add the wrapcol and ignorechars parameters for more Base XX codec (GH-146434)

Add the wrapcol parameter to base64 functions b16encode(), b32encode(),
b32hexencode(), b85encode() and z85encode(), and binascii functions
b2a_base32() and b2a_base85().

Add the ignorechars parameter to base64 functions b16decode(), b32decode(),
b32hexdecode(), b85decode() and z85decode(), and binascii functions
a2b_hex(), unhexlify(), a2b_base32() and a2b_base85().