OSRIC 3.0 errata (official)

Since I spent a number of years successfully curating a non-official listing of errata for the previous version of the OSRIC fantasy RPG, I figured I might as well keep up the tradition now that the latest (3.0) edition is available to the the public. This time, however, I'm pleased to be starting out with the blessing of OSRIC's publishers at Mythmere Games, so all the items below should be…