Congratulations are in order for Billy Corgan, who recently reunited with the yellow Fender Stratocaster he played on Smashing Pumpkins' debut album Gish. The instrument was stolen from Detroit's Saint Andrew's Hall after a Pumpkins gig in 1992 and has since floated in the ether, lost to Corgan despite his best attempts to track it down and an enduring faith that the prodigal axe might find…