when i look into your source i don't see any changes to the protocol. i can be mistaken, and if i did i'm sorry i reverted your changes.
you said yourself that only the wiki.vg/server_list version may be editted when the readme says it supports that but you now say that partycraft supports 13w03a but the readme of partycraft says 1.4.7.
There are details in the readme that describe how support for prereleases work, and if you look into it a little further, you'll see PartyCraft does indeed support 13w03a. --SirCmpwn (talk) 02:47, 17 January 2013 (MST)