Library
=================================
- sha1 / md5 / meow


Bugs
=================================
- shell_escape()


Framework
=================================
- Locks for file i/o
- Locks for compiler
- Check: File Upload
- Proxy mode
- WebSockets
- Persistent code / Cron / Tick?
- Fork
- Multithreading
- Optionally store compiled units alongside source


Nice to Have
=================================
- pseudorandom
- XML components