update: readme

README.md

@@ -11,7 +11,7 @@ A lot of amazing shell stuff
 -[x] Get environment array (export)
 -[x] Set environment variable (export)
 -[x] Simple builtin export
-- Preliminary signals
+-[x] Preliminary signals
 -[x] Define struct for commands, something like (
 	```c
 	typedef struct s_command
@@ -25,16 +25,16 @@ A lot of amazing shell stuff
 	```
 )
 - [x] Make the `executor`, run a command
-- Make a parser to create a command list
+- [x] Make a parser to create a command list
 - Add redirects, appends, pipe etc. File descriptor functions
 	a command can have multiple redirects but only the last is used for stdout
 	Redirects take precedence over pipes, but pipes are still created and managed.
 		should it close the unused pipe-end?
 	all redirects are opened and closed, but only last fd is used.
 	multiple HEREDOCs can be nested, only last is used.
-
-
 - Expand \$ vars & support \$?
+	* $var [x]
+	* $?   [0]
 - CB command to change banner
 - __Bonus:__ Command tree for &&, ||, *
 
@@ -43,11 +43,13 @@ A lot of amazing shell stuff
 - `ctrl - C` redisplay prompt status 130
 - `ctrl - D` exit shell
 - `ctrl - \`
+-- Done
 
 ### During process
 - `ctrl - C` SIGINT to processs status 130
 - `ctrl - D`
 - `ctrl - \` SIGQUIT to process core dumped status 131
+-- Shows ^C 
 
 ### During HEREDOC
 - `ctrl - C` redisplay prompt status  130