v1.1.9

What's Changed

• vsg::CoordinateFrame and long double support by @robertosfield in #1338
• vsg::CoordinateFrame, vsg::CameraSampler & long double support. by @robertosfield in #1347
• Cherry picked fixes by @AnyOldName3 in #1351
• Update PolytopeIntersector.cpp by @jamierobertson1 in #1345
• Fix ViewMatrix serialisation by @AnyOldName3 in #1359

Full Changelog: v1.1.8...v1.1.9