elli_websocket
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Elli Websocket Handler
I think it is safe now to deprecate Erlang before R16 :-) Some whitespace changes also sneaked i, sorry about those
elli_ws_protocol#state.env was typed as an empty list, which resulted in dialyzer generating the following error when users tried passing in valid options to elli_websocket:upgrade/2: `The call elli_websocket:upgrade(Req::any(), WsArgs::[{'handler','***'} | {'handler_opts',[]}...
Sorry about the whitespace noise in this commit, it's just about adding the `:: any()` to fix the compilation error.