That has come up before. Im all for it.
In particular I think that alot of the mid-game arguments would not be as time consuming if there were some standard templates to refer to "rules set #4 with these changes". It would save the person creating the game from having to remember everything to mention at the beginning, and skip all of the "everyone knows" or "its usually taken for granted" arguments.
The last time this came up, to my poor memory, was here...
http://forum.shrapnelgames.com/showthread.php?t=43866