c00cd37 Set version to 1.0.0-b23
f662e36 Travis CI improvements:
b05fa33 Fix message constructor and special members
b4722cc Add copy special members
420d1c7 Better logging in async echo server
149e3a2 Add file and line number to thrown exceptions
3e88b83 Tune websocket echo server for performance
git-subtree-dir: src/beast
git-subtree-split: c00cd37b8a441a92755658014fdde97d515ec7ed