Handle didChange requests in order (#172)
Handle didChange requests in order (#172)

Currently we use an AsyncHandler, which means we could process didChange
requests out of order, depending on how the go runtime decides to schedule the
goroutines.
sourcegraph/go-langserver,sourcegraph/go-langserver,lambdalab/go-langserver,lambdalab/go-langserver,sourcegraph/go-langserver,lambdalab/go-langserver