add userpath and environ var expansion to expand_path
add userpath and environ var expansion to expand_path
1gitGrey/clint,thusoy/clint,nathancahill/clint,wkentaro/clint,1gitGrey/clint,glorizen/clint,tz70s/clint,Lh4cKg/clint,nathancahill/clint,kennethreitz/clint,wkentaro/clint