add extended serverinfo request and response
Merge pull request #33 from fisted/ddrace64_extsrvinfo

add extended serverinfo request and response
oh man how could i even
Merge branch 'ddrace64_extsrvinfo' into dd64_esi
distribute too-many-players across several extended serverinfo replies (by eeeee)
1 looks shitty
Merge remote-tracking branch 'eeeee/ddrace64' into ddrace64-qwe123