major bugfix (1.21_02)

added "Windows Alternate" version to itch.io which could help compatability

fixed player being able to cling to objects above itself (below for upside-down gravity)

changed level clipboard copy tool to let user directly copy/paste since it didn't work before on mobile devices

fixed bpm showing up as "jamzgator" on custom songs

added headers to extra level data

added song offset to extra level data

added warning that levels in the saved menu must be exported

moved "Show Original" button to above the song box in editor

removed "Update Song List" button from editor, since it happens when you launch the game anyway

fixed player being translucent if you time clicking restart after dying

updated a ton more textures (started in 1.21_01)