Tests now pass in Windows. Closes #5

Also eliminates some cases of File::Directory::Tree #7, although the
problem wasn't there, but in the fact that some locks had been created.

Author: JJ

README.md

@@ -1,7 +1,7 @@
 # Pod::To::Cached
 
 [![Build Status](https://travis-ci.com/perl6/Pod-To-Cached.svg?branch=master)](https://travis-ci.com/perl6/Pod-To-Cached)
-[https://ci.appveyor.com/api/projects/status/github/perl6/Pod-To-Cached?svg=true](https://ci.appveyor.com/api/projects/status/github/perl6/Pod-To-Cached?svg=true)
+[![Appveyor Build Status](https://ci.appveyor.com/api/projects/status/github/perl6/Pod-To-Cached?svg=true)](https://ci.appveyor.com/api/projects/status/github/perl6/Pod-To-Cached?svg=true)
 
 Create and Maintain a cache of precompiled pod files
 

t/030-sub-directories.t

@@ -2,7 +2,6 @@ use lib 'lib';
 use Test;
 use Test::Output;
 use JSON::Fast;
-use File::Directory::Tree;
 use Pod::To::Cached;
 
 constant REP = 't/tmp/ref';