Clarify throwing behavior of WebSocket.send. See #1724.
Clarify throwing behavior of WebSocket.send. See #1724.

etcimon/vibe.d,rejectedsoftware/vibe.d,Geod24/vibe.d,gedaiu/vibe.d,etcimon/vibe.d,chalucha/vibe.d,DBankov/vibe.d