Fixed recursive property null reference problems
Fixed issue with node having no children and property check crashing
Made DynamicXml behave more consistently based on user feedback
Added IsNull and HasValue to PropertyResult (comes back from GetProperty but you may need to cast it)
Added new Model.IsNull(string alias, bool recursive) and Model.HasValue(string alias, bool recursive) and Model.IsNull(string alias) and Model.HasValue(string alias)
Added new IsHelper methods for IsModZero, IsNotModZero, IsPosition, IsNotPosition, IsNotFirst, IsNotLast
Added .Count to DynamicXML
Fixed Media .Url and .NiceUrl to bring back umbracoFile
Moved MediaById and NodeById implementations to RazorLibraryCore and deprecated original methods with redirection
Fixed parsing issue with ExamineBackedMedia XPathNodeIterator cast method
