Upgrade Jasmine base version for latest Node
1.6.5
Add makeDirectory to chrooted file system

Fixes #31
1.6.6
Add .tmp npmignore
adding a test for makeDirectory() in a reroot FS

I'm not 100% sure this is how it's meant to work, but couldn't find a
test so I thought I would start with this.

This currently fails.
Add option to follow symlinks anywhere
Documented and revised FileTree options
1.7.0
Fix a bug in the redirect trapp
1.7.1
Fixes #34

...but is a hack
Merge pull request #34
Merge pull request #32
Fix rerooted makeDirectory
Patch up JSON content ok call
1.7.2
Fix issues when writing binary data passed as array of bytes.
- Reject drained promise when a write error occurs
- Convert content to Buffer if content is not a string