Following the Pokemon Essentials doc wiki is enough.But this tool really saves time.Hope to have a new editor like this
1 Line 38 of "PokemonSystem.rb"
"!havedata" to "true"
2 Line 319 and Line 320 of "Settings.rb"
Remove comment symbol and edit as you need
3 The e19 group has changed a lot.Repair it or edit each line of txt files