update todo list

README.md

@@ -52,6 +52,13 @@ some more practical uses would be things like:
 
 ## todo
 
+* implement fonts!!
+* implement Result return types on ::from functions so we can handle errors
+* output sprites/avatar in such a way that ordering is preserved 
+    (avatar seems to be somewhere in the sprites, 
+    after any numeric-ID sprites and before any alphabetic-ID sprites...)
+* check multi-line endings/dialogues
+
 ### tidy up
 
 * refactor the more shonky bits to idiomatic rust