* Move save_data rodata to memory where it makes more sense.
* Some minor weather cleanup
* WIP func_800B7EB4
* WIP func_800B7EB4
* func_800B7EB4 NON_MATCHING
* Match func_800B7EB4
* func_800B7EB4 to wave_init
* WIP func_800B82B4
* func_800B82B4 WIP
* Match func_8001E4C4
* Match func_8000B290
* Update README
* Some minor cleanup
* Minor cleanup