Updated appveyor to use thrust 1.8.3
Updated appveyor to use thrust 1.8.3

sdalton1/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,cusplibrary/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary,sdalton1/cusplibrary,cusplibrary/cusplibrary