Fix EOF conversion test issue
Remove pointless separator appending
Fix windows specific tests and make them run on all platforms
Retain file between prepare and marshal phases

Fixes #4
Merge pull request #9 from kanongil/windows-issues

Fix tests on windows
Merge pull request #8 from kanongil/handle-file-changes-fix

Use open file descriptors to retain file between prepare and marshal phases
Cleanup for #8