put todo items into readme instead of posix module comment block

Readme.org

@@ -482,9 +482,49 @@ Note: this section only tracks the state of incomplete TODO items. Having everyt
 
 ** TODO Pre-alpha tasks
 - Shell module
-  - See todo steps in posix.rs
+  - circuit casts int to bool automatically
+  - pipe control flow construct
+  - l and load functions for binaries, call for scripts
+  - load-to-string function
+  - ignore job control signals (if needed)
+  - background processes
+  - be able to list all background processes with j function
+  - be able to fg a bg process
+  - be able to bg and fg process (ctrl z?)
+  - changedir/cd
+  - pwd
+  - call-with (let style fd redirection)
+  - Documentation!
 - logging library
 - make const all the error messages
+- make presentation on relish
+  - lisp basics
+    - s expressions
+    - data structures
+  - control flow
+    - let, circuit, etc
+  - homoiconicity
+    - quote/eval
+    - lambda
+  - putting it all together
+    - CI tests
+    - repl configuration
+  - self documenting
+    - env
+    - help
+  - beyond lisp
+    - POSIX
+      - ergonomics of control flow as shell command
+      - circuit -> pipe
+      - let -> call-with
+      - putting it all together
+        - job control in shell
+        - shell scripts
+    - To infinity and beyond
+      - NGINX modules
+      - bootable?
+  - give a pretty pastel white, pink and blue theme
+  - store in repo after giving presentation
         
 ** TODO alpha tasks
 - Can pass args to relish scripts (via interpreter)

src/stl/posix.rs

@@ -26,28 +26,6 @@ use std::process::{Command, Child, Stdio};
 use nix::unistd;
 use ctrlc;
 
-/* WONTDO: flag, switch
- * Step 6: ? function
- * Step 7: pipe control flow that circuits across a list of calls hooking stdin to stdout
- * Step 8.1: load=binary script=call
- * Step 8.2: call-to-string function
- * Step 9: ignore job control signals
- * Step 10: background processes
- * Step 11: Be able to list all background processes with j function
- * Step 12: Be able to fg a bg process
- * Step 13: Be able to bg an fg process (Ctrl Z)
- * Step 14: changedir
- * Step 15: pwd
- * Step 16: circuit casts int to bool automatically
- * Step 17: Documentation
- *   - list functions and their docstrings
- *   - examples of pipe and circuit
- *   - job control
- * Step 18: call-with
- *   - let style setting of files as stream targets
- *   - and of course documentation
- */
-
 pub struct ShellState {
     pub parent_pid: unistd::Pid,
     pub parent_pgid: unistd::Pid,