Final head of the former 2.2 branch

1. 8876848 Whitespace normalization. by Tim Peters · 24 years ago
2. 1ccdff9 [Patch #477336] Make hmac.py match PEP247, and fix the copy method() so that by Andrew M. Kuchling · 24 years ago
3. b64bec3 Whitespace normalization. by Tim Peters · 24 years ago
4. 8ceef41 HMAC algorithm as described by RFC 2104, by Gerhard Häring (SF patch #460112). by Guido van Rossum · 24 years ago