#Combine the elements of an array into a string, with an optional separator
proc(_arrayToString, @array, @separator,
	assign(@string, '')
	foreach(@array, @value,
		if(equals(@string, ''),
			assign(@string, @value)
			,
			assign(@string, sconcat(concat(@string, @separator), @value))
		)
	)
	return(@string)
)