lusitdev

Fix for: https://github.com/tighten/jigsaw/issues/737

Minor bug on Windows. When site content is organized in nested directories, backward slashes are left in path/url page variables. For example: ``` ```

Fix directory separator issue on Windows: ``` There was 1 failure: 1) Tests\HelpersTest::resolve_path_does_not_strip_0s Failed asserting that two strings are identical. --- Expected +++ Actual @@ @@ -'path/to/assets/0/0/0.png' +'path\to\assets\0\0\0.png' ```