Updated EpiTwitter for API v1.0 compatibility.

This change allows version 1.1 to work, while still allowing the default (version 1.0) to work as expected.
Forgot to add the getApiURL method change...

Will use the search version 1 API URI if applicable, but will use the normal API URI otherwise.
Merge branch 'master' of https://github.com/aaronwaldon/twitter-async into pr-166
Merge branch 'pr-166'