Implement OpenWrite by extending MemoryStream into MockFileStream
Add basic support for directories
Implement GetDirectories
Improve/implement various of the Read/WriteAll* calls in MockFile
Merge pull request #11 from palfrey/directory-support

Directory support
Merge pull request #12 from palfrey/improved-read-all

Improve/implement various of the Read/WriteAll* calls in MockFile
Merge pull request #10 from palfrey/openwrite

Implement OpenWrite by extending MemoryStream into MockFileStream
Fix broken test for the existance of a placeholder
Merge pull request #13 from palfrey/directory-support

Fix broken test for the existance of a placeholder
Enable NCrunch
Add support for MockDirectory.Delete
Implementing copy and copy with overwrite