Version 1.1.0

• Added missing XML documentation to extension methods.
• Created this CHANGELOG file.
• Adding overload to the GetTypeMapping<>() extension method with option to throw exception if the Type hasn't been registered.
• Adding MapProperty(string) extension method to allow mapping properties using a string for the name instead of forcing the use of a LINQ expression.
• Adding MappedColumns property to the IMappedType interface to provide easier access to the mapped column info.
• Adding CopyMappingsFrom<T>(MappedType<T>, IMappedType) extension method to make it easier to copy mappings between MappedType instances