Update xunit
Update nuget
Delete the old one
Make IFileInfo return our types
Added implementation of IRegistryKey
Added implementation for IRegistry
Added implementation for IFileSystemInfo
Added implementation for IFileInfo
Added implementation for IDirectoryInfo
Update readme
Merge pull request #3 from pmacn/develop

Added a few implementations
Update README with more clarification
Rename 'Solution Items' to 'Meta'