Moses Supposes Zipporah

Zipporah? Mose's Supposed Afro wife? what's d dealio? who was it that she circumcised? Moses or his kid? where did she go during exodus? was it that g-d was pissed or was it Mose's himself? and what was this cat fight stuff with Mirium that got so bad that g-d had to make Mose's sister a leper for a week? rawr! meow! hisss....