Update todo list

TODO.md

@@ -6,6 +6,7 @@
 ## Short term
 
 ### Commands
+ + By default, pass a number and launch the corresponding command
  + Add command to modify configuration file
  + Allow to reinitialise tmp file from command line
 
@@ -19,3 +20,4 @@
 ### Misc
  + Documentation ;-)
  + Reuse atdgen for tmp file
+ + Use In_channel.read_all