NB. In some cases we go from a more complex image() to a single icon_state string and I assume this works for every case but do not care to check because of the sheer scale of extra fiddly effort. Buyer beware, not my code.
* Begins work on Planetary meteors
* Work, clean meteor code.
* Continues work. Meteors now handle their own movement and launching.
* New meteor types, some added to waves. Large meteor type fully implemented.
* Fix and adjust for comments.
* tinytweaks
* 5 != 2
* smfix
* requested changes + fixes exploit from 6212
* it compiled and worked anyway but go off i guess travis
* requested changes