Update South requirement to 0.8.4.
Update South requirement to 0.8.4.

ctmunwebmaster/huxley,nathanielparke/huxley,ctmunwebmaster/huxley,nathanielparke/huxley,nathanielparke/huxley,bmun/huxley,ctmunwebmaster/huxley,bmun/huxley,ctmunwebmaster/huxley,bmun/huxley,nathanielparke/huxley,bmun/huxley