doctest failure in ~/work/Visor.jl/Visor.jl/src/Visor.jl:498-507 ```jldoctest julia> using Visor julia> foo(self) = println("foo process started"); julia> main(self) = startup(self.supervisor, process(foo)); julia> supervise([process(main)]); foo process started ``` Subexpression: supervise([process(main)]); Evaluated output: ERROR: supervise already active Stacktrace: [1] supervise(processes::Vector{Visor.Process}; intensity::Int64, period::Int64, strategy::Symbol, terminateif::Symbol, handler::Nothing, wait::Bool) @ Visor ~/work/Visor.jl/Visor.jl/src/Visor.jl:1195 [2] supervise(processes::Vector{Visor.Process}) @ Visor ~/work/Visor.jl/Visor.jl/src/Visor.jl:1176 [3] top-level scope @ none:1 Expected output: foo process started diff = Warning: Diff output requires color. foo process startedERROR: supervise already active Stacktrace: [1] supervise(processes::Vector{Visor.Process}; intensity::Int64, period::Int64, strategy::Symbol, terminateif::Symbol, handler::Nothing, wait::Bool) @ Visor ~/work/Visor.jl/Visor.jl/src/Visor.jl:1195 [2] supervise(processes::Vector{Visor.Process}) @ Visor ~/work/Visor.jl/Visor.jl/src/Visor.jl:1176 [3] top-level scope @ none:1

removing `stable` and linking `stable` to `v0.2.0`.

removing `v0.2` and linking `v0.2` to `v0.2.0`.

removing `v0.1` and linking `v0.1` to `v0.1.0`.