[RELEASE] Released version 1.3.8 with the following changes :

[RELEASE] Released version 1.3.8 with the following changes :

    - fixed several bugs which might have caused a crash with bad configs
    - several optimizations in header processing
    - many progresses towards transaction-based processing
    - option forwardfor may be used in frontends
    - completed HTTP response processing
    - some code refactoring between request and response processing
    - new HTTP header manipulation functions
    - optimizations on the recv() patch to reduce CPU usage under very
      high data rates.
    - more user-friendly help about the 'usesrc' keyword (CTTPROXY)
    - username/groupname support from Marcus Rueckert
    - added the "except" keyword to the "forwardfor" option (Bryan German)
    - support for health-checks on other addresses (Fabrice Dulaunoy)
    - makefile for MacOS 10.4 / Darwin (Dan Zinngrabe)
    - do not insert "Connection: close" in HTTP/1.0 messages