TODO

*Features:
- manual
- figlet interface
- command line
- scripting
- optimize selection highlight in block selecting mode
#! config file (~/.caverc..)
- react to terminal size changes
#! better ANSI export handling (unsetting only selected attrs)
- animations
- irregular blocks (and irregular highlighting)
- magic wand block selection mode
- shape drawing - lines, rectangles, circles, etc.
#! brushes
- other export filters (C,...)
#! aewan import (export??)
- mouse support
- layers
- remove dim attribute(?), add optional (config file!) extended attributes
 

*Block ops:
#! char/color/attr conversion tables
#! external (in files) mirror conversion tables
#! export selection
- block ops plugin system