Closes #71 Check for null stream
Update line endings in 4.3.x branch
Merge branch 'V4-3-x' of https://github.com/MarimerLLC/csla into V4-3-x

Conflicts:
	Source/Csla/Serialization/Mobile/MobileFormatter.cs
Merge pull request #2 from MarimerLLC/V4-3-x

Merge V4 3 x from MarimerLLC