Use File.pathSeparator instead of platform-specific "/" when building upload path.
Added checking for optional service plan fields before unboxing. Removed tests for optional service plan fields.
Merge pull request #166 from scottfrederick/win-upload

Use File.pathSeparator instead of platform-specific "/".
Merge pull request #167 from scottfrederick/service-plans

Added checking for optional service plan fields before unboxing.