Added main index to package.json.
Fixed HUBOT_TWEETER_ACCOUNTS envvar to won't error out if unset.
Merge pull request #1 from patcon/1-main-script-missing

hubot-tweeter package failing while community script succeeds
Update README.md
Tell the user how many characters over 140 their tweet is.
Add dependency to twitter-text
Twit now passes us an Error object, so use it

Per
https://github.com/ttezel/twit/blob/d729f0fd7be766945139425d2db838480b92
a66f/lib/oarequest.js#L211-L253
Don't fail if there is no entry in HUBOT_TWEETER_ACCOUNTS
Merge pull request #9 from parkr/tell-me-how-long

Tell the user how many characters over 140 their tweet is
Merge pull request #6 from parkr/correct-error-handling-logic

Twit now passes us an Error object, so use it
Merge pull request #5 from parkr/dont-fail-with-no-accounts-json

Don't fail if there is no entry in HUBOT_TWEETER_ACCOUNTS
Update dependency declarations to use proper semver constraints.

https://github.com/isaacs/node-semver/blob/40343cc7b7f09f600322cb0a7a0719dc5173b180/README.md#ranges