Updated version in configure template to 0.8
Moved AttributeNode ctor initializers to separate line (ref #9)
Renamed method in AttributeNodeTest (ref #9)
Sorted imports in AttributeNodeUnmarshallerTest (ref #9)
AttributeNodeUnmarshaller test calls unmarshal polymorphically (ref #9)
Use backticks in AttributeNodeUnmarshallerTest doc (ref #9)
Use GLFW for AttributeNodeUnmarshallerTest (ref #9)