add more spinners. next page => more.
moved scriptList initialization to the top, next to all other declarations
empty data is now undefined, rather than Script.zero
lastStart is now offset by 1 to prevent duplicates
UX: disable the "more" button if there aren't any scripts left.
on refreshScriptList, explicitly cleanup the script list
disabled style: no pointer or hover effects
scrollbar hides if it isn't necessary