preliminary support for new 4.15 properties
preliminary support for new 4.15 properties

kitelightning/UnrealEnginePython,20tab/UnrealEnginePython,kitelightning/UnrealEnginePython,kitelightning/UnrealEnginePython,kitelightning/UnrealEnginePython,getnamo/UnrealEnginePython,Orav/UnrealEnginePython,kitelightning/UnrealEnginePython,20tab/UnrealEnginePython,getnamo/UnrealEnginePython,getnamo/UnrealEnginePython,20tab/UnrealEnginePython,20tab/UnrealEnginePython,20tab/UnrealEnginePython,getnamo/UnrealEnginePython,Orav/UnrealEnginePython,Orav/UnrealEnginePython,getnamo/UnrealEnginePython,Orav/UnrealEnginePython