I'm new here, so I don't really know if this was made before, but I created short functions to make the job of doing scripts with SetTimeout easier. I found nesting SetTimeout scripts is really messy when you have more than 4 or 5 actions with different delays, so here they are.

<function name="AddToDelayedScriptList" parameters="script, delay">
    if (GetObject("delayedScripts") =null) {
      create ("delayedScripts", "delayedScriptList")
      delayedScripts.dict = delayedScripts.dict
      delayedScripts.delays = delayedScripts.delays
      delayedScripts.tempString = "0"
    }
    dictionary add (delayedScripts.dict, ToString(DictionaryCount(delayedScripts.dict)), script)
    list add (delayedScripts.delays, ToString(delay))
  </function>

<function name="ExecuteDelayedScriptList">
    if (DictionaryCount(delayedScripts.dict) = 0) {
      delayedScripts.tempString = ToString(0)
      delayedScripts.dict = NewScriptDictionary()
      delayedScripts.delays = NewStringList()
    }
    else {
      SetTimeout (ToInt(StringListItem(delayedScripts.delays, ToInt(delayedScripts.tempString)))) {
        invoke (ScriptDictionaryItem(delayedScripts.dict, delayedScripts.tempString))
        dictionary remove (delayedScripts.dict, delayedScripts.tempString)
        list remove (delayedScripts.delays, ToString(0))
        delayedScripts.tempString = ToString(ToInt(delayedScripts.tempString)+1)
        ExecuteDelayedScriptList
      }
    }
  </function>

Important:You also need to create an object type like this:

  <type name="delayedScriptList">
    <dict type="scriptdictionary" />
    <tempString type="string"></tempString>
    <delays type="stringlist" />
  </type>

Usage:

Just call a number off AddToDelayedScriptList with the script you wish to execute and the delay you want, then call ExecuteDelayedScriptList.
Usually, I do it like this:

s => { msg("TEST")}
AddToDelayedScriptList(s,5)
s => { msg("TEST2")}
AddToDelayedScriptList(s,3)

ExecuteDelayedScriptList()

Output:

After 5 seconds
TEST
After 8 seconds
TEST2

I hope this can be useful to someone.

awesome code/library, this will be of great usefulness for those who need them!