Docs are wrong, and bild fails

To install you need to run:

$ go get -u gitlab.com/verygoodsoftwarenotvirus/blanket/cmd/blanket/...

Build also fails:

$ go get -u gitlab.com/verygoodsoftwarenotvirus/blanket/cmd/blanket/...
go: downloading github.com/fatih/set v0.2.1
go: downloading golang.org/x/tools v0.1.5
# gitlab.com/verygoodsoftwarenotvirus/blanket/analysis
go/pkg/mod/gitlab.com/verygoodsoftwarenotvirus/blanket@v0.1.0/analysis/analyze.go:463:26: not enough arguments in call to set.New
	have ()
	want (set.SetType)
go/pkg/mod/gitlab.com/verygoodsoftwarenotvirus/blanket@v0.1.0/analysis/analyze.go:474:3: cannot use declaredFuncs (type set.Interface) as type *set.Set in field value: need type assertion
go/pkg/mod/gitlab.com/verygoodsoftwarenotvirus/blanket@v0.1.0/analysis/analyze.go:485:3: cannot use set.New("init") (type set.Interface) as type *set.Set in field value: need type assertion
go/pkg/mod/gitlab.com/verygoodsoftwarenotvirus/blanket@v0.1.0/analysis/analyze.go:485:36: cannot use "init" (type untyped string) as type set.SetType in argument to set.New