Added a chat callback library to starfall.
Added a chat callback library to starfall.

INPStarfall/Starfall,Xandaros/Starfall,Xandaros/Starfall,INPStarfall/Starfall,Jazzelhawk/Starfall,Jazzelhawk/Starfall,Ingenious-Gaming/Starfall,Ingenious-Gaming/Starfall