TODO

- tmp directory test/tmp for all files created during tests.
- fix tests for NODE_MODULE_CONTEXTS=1
- readline
  - fix for two column glyphs. use Markus Kuhn's wcwidth.c
  - fix for commands that extend beyond term width
  - tab completion interface
- SSL should be factored out of net.js into standalone stream object
- add completion callbacks to all stream write() methods
- Erradicate all traces of 'binary' encoding. Only used, now, in OpenSSL
  binding.
- Documentation needs a major refactor; should generate more than one HTML
  page/man page from the single api.markdown file. Deep sections should be
  allowed.
- debug and production modes
- EventSource branch merged
- TCP servers should have an optional number of maximum connections. When
  the maximum is reached it stops accepting new connections.
- compile under clang