Thread eval replies FIXES #1
Add .gitignore
Refactor getting thread id
Simplify error messages that get sent to Flowdock

This also fixes an issue where the bot's plain text password can be sent to Flowdock when an HTTP error occurs. The full stacktrace is printed to the bot's console.
Create a namespace per thread to make using def sane
Merge pull request #17 from jeremyheiler/master

THREADZ