Use elixir 1.16 and update test matrix · lucacorti/bgp@eec1003

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of your mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of your mix.exs

negative steps are not supported in String.slice/2, pass 21..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 61..-1//1 instead

negative steps are not supported in String.slice/2, pass 28..-1//1 instead

negative steps are not supported in String.slice/2, pass 14..-1//1 instead

negative steps are not supported in String.slice/2, pass 12..-1//1 instead

negative steps are not supported in String.slice/2, pass 14..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 41..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 61..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 78..-1//1 instead

negative steps are not supported in String.slice/2, pass 15..-1//1 instead

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