* try fixing go build
* cache some system calls
* fix /dev/null
* use chained commands, use `go test -c` instead of `go tool compile`
* fix some unescaped shell commands
* fix a bug with explicitly setting GOPATH
* implement changes requested in code review. handle errors from multiple files. fix issue when starting a new package
* run `go env` as a job
* ensure all functions return the proper type
* fix loclist line numbers in some cases
* remove multibuffer support for now
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