Rename x/y_offset to offset_x/y
Rename more columns, e.g. speed -> delay_frames
No longer set nameless characters pre-2.7.2 to be named 'c'
If plugin data is empty, use nil instead of empty blob
Fix broken bitmask check
Support older version dialog count/option count
Pixel color uses 'rgb()' or 'p()' string instead of number
Use new pixel color style for GUI label text color
GUI label: change font_idx to font_dbid
Rename sprite_cache table to sprite_store
Rename sprite_number column to idx
Rename id to dbid and sprite_number to idx a few more times
Use named parameters instead of numbered
Move invariant parameter outside of loop