assorted cleanup, and bump to newest version of twitter gem
backwards compatibility
point to REST client
update helper logic to not rely on bin filename
fixes
fixes
more fixes
handle null results
max_id check
never write code when you aren't paying full attention
Add db_uri explanation to the readme

I went round the houses because I thought that the command line option 'db' would be the right key to use in the config yaml. In fact it is db_uri from reading the code. Otherwise fails with Sequel::Database.connect takes either a Hash or a String, given: nil (Sequel::Error)
Merge pull request #19 from stefl/patch-1

Add db_uri explanation to the readme
cleanup
initial support for streaming API