Sincehunting is such a "highly regulated sport", how come the "regulators" don't provide the "regulatees" with a complete up-to-date set of the regulations when they purchase a license ?

Unfortunately, here is the current revision status of the on-line regs:
TITLE 34 Game and Wildlife Code
An unabridged listing of Pennsylvania Game and Wildlife Code
*** Updated November 22, 2004 ***