- 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
- node_crypto, support for Buffer in update function of Cipher, Decipher,
  Hmac, Sign, Verify. See 9a26946aaa99a3f27905d5ba91220784e864e5d0 for an
  example of how to do it.