Tidied up gfx_string. Deleted control char enum. Now uses string_ids enum to prevent multiple defs.
Fix small bug with adjust palette
Cleaned up gfx notes
Simplified buffer interaction
Now using sprite refs
Merge pull request #182 from duncanspumpkin/gfx_string

More gfx_string work
Merge pull request #1 from IntelOrca/master

Test pull request