- 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
- base64 write and toString for buffers

- debug and production modes
- EventSource branch merged
