Reading a file returns length
Start of new backgrounds system

background instances now have tileCount property, VRAM offsets are not
calculated and must be specified in project.c, start of drawable
backgrounds
New backgrounds system part 2

Forgot to commit DSGM_background.c
New backgrounds system part 3

VRAM offsets must be specified for text backgrounds as well
New backgrounds system part 4

DSGM_InitCustomGFX can be used to initialise drawable backgrounds
New backgrounds system part 5

Drawable backgrounds are initialised
New backgrounds system part 6

Rookie error
Revert "New backgrounds system part 6"

This reverts commit 1fb72c88b8299f6f4b30fd9e63fa1d245b562126.
New backgrounds system part 7

Haha, I misread the compile error the first time
Recompiled dsgmLib for new backgrounds system
Updated examples for new backgrounds system