First pass at the prefix-loading idea as described in #40
First pass at the prefix-loading idea as described in #40

Not sure if we should add everything if the directories don't exists.

On the other hand, we might want to have the vars set before the prefix
has been generated.

gfxmonk/direnv,camelpunch/direnv,halkeye/direnv,alanbbr/direnv,lmarlow/direnv,alanbbr/direnv,scottjacobsen/direnv,gfxmonk/direnv,camelpunch/direnv,scottjacobsen/direnv,AlphaHydrae/direnv,AlphaHydrae/direnv,scottjacobsen/direnv,sknop/direnv,take/direnv,direnv/direnv,sknop/direnv,rayleyva/direnv,rayleyva/direnv,direnv/direnv,alanbbr/direnv,JaviMerino/direnv,camelpunch/direnv,sknop/direnv,lmarlow/direnv,myfreecomm/direnv,JaviMerino/direnv,doloopwhile/direnv,JaviMerino/direnv,myfreecomm/direnv,halkeye/direnv,myfreecomm/direnv,AlphaHydrae/direnv,sknop/direnv,rayleyva/direnv,gfxmonk/direnv,lmarlow/direnv,camelpunch/direnv,take/direnv,take/direnv,doloopwhile/direnv,halkeye/direnv,doloopwhile/direnv