Apple has released iTunes 7.3.1 and Quicktime 7.2 as updates available from through the company’s website or through Apple’s Software Update application. According to Apple, “iTunes 7.3.1 addresses a minor problem with iTunes 7.3 accessing the iTunes Library.” The update does not require Quicktime 7.2, which “addresses critical security issues” and includes support for full screen viewing in QuickTime Player, updates…