[RELEASE] Released version 1.3.13.1 with the following main changes :

[RELEASE] Released version 1.3.13.1 with the following main changes :
    - Check for duplicated conflicting proxies (Krzysztof Oledzki)
    - adjust error messages about conflicting proxies
    - use backends only with use_backend directive (Krzysztof Oledzki)
    - Handle long lines properly (Krzysztof Oledzki)
    - Implement and use generic findproxy and relax duplicated proxy check
      (Krzysztof Oledzki)
    - stats: update the width of the table to 22 columns
    - silent warning about LIST_* being redefined on OpenBSD
    - fix calls to localtime() (reported by Thierry Fournier)
    - disable warning about localtime_r on Solaris
    - fix error checking in strl2ic/strl2uic()
    - make default_backend work in TCP mode too