README update for Mac 32-bit issue #7, and installing git+pip on various platforms
README update for Mac 32-bit issue #7, and installing git+pip on various platforms

pkoiu87/Minecraft,KaydenceRyerson/minecraft-clone,yusihao51/Minecraft,xero7689/Minecraft,wangjun/Minecraft,beni55/Minecraft,SmokinCaterpillar/Minecraft,krrr/Minecraft,Hispar/pycraft,fogleman/Minecraft,Hispar/pycraft,ghevcoul/pycraft,traverseda/pycraft,traverseda/pycraft,ghevcoul/pycraft,Prehelios/Minecraft,braingineer/Minecraft,Codlydodly/python-client,davgames101/Ubiquitous-quack,Jimx-/Minecraft,rschmidtz/Minecraft,pennomi/echoes,onehack-blockbreaker/blockbreaker,lacvapps/Minecraft,Codlydodly/python-client,fun-and-games-in-python-2014/Minecraft-1,Jimx-/Minecraft,rovitotv/Minecraft,ajones74/GeorgeCraft,drohrbaugh9/Minecraft,JessenFuely/Minecraft,dragonfax/Minecraft