Slight improvement of ag wrapper, to list file contexts BEFORE the filename in the list passed to fzf

examples.md

@@ -150,14 +150,18 @@ add this to your .vimrc
 
 ```vimL
 command! -nargs=1 AgFZF call fzf#run({
-            \'source': 'ag -i ' . <f-args>,
+            \'source': Arghandler(<f-args>),
             \'sink' : function('AgHandler'),
             \'options' : '-m'
             \})
 
 function! AgHandler(l)
     let keys = split(a:l,':')
-    execute 'tabe +' . keys[1] . ' ' . keys[0]
+    execute 'tabe +' . keys[-2] . ' ' . keys[-1]
+endfunction
+
+function! Arghandler(l)
+    return "ag -i " . a:l . " | sed 's@\\(.[^:]*\\):\\(.[^:]*\\):\\(.*\\)@\\3:\\2:\\1@' "
 endfunction
 ```