Added installation

qcd_function

@@ -54,6 +54,7 @@ _qcd()
 }
 complete -F _qcd qcd
 ' >> ~/.bash_completion
+            touch ~/.qcd ~/.bash_cdhistory
             return
         ;;
         L)
@@ -95,7 +96,7 @@ Keeps a history of folders visited in ~/.bash_cdhistory
   You may add the name of the path, but when omitted
   the basename will be used
  -i          Case insensitive search, must come first.
- -I          Install autocompletion (use only once)
+ -I          Install, with autocompletion (use only once)
  -l [name]   Show the match, but do not change
  -L          Lists the paths
  -m          Maintain the list, deleting non-existing entries'