Added estimated_completion 'always-on' support to Historics
Merge pull request #1 from datasift/feature/support-estimated-completion

Added estimated_completion 'always-on' support to Historics
Added API version to the client
Merge pull request #2 from datasift/feature/api-versioning

Added API version to the client
remove files from old client
init structure of the new v 3.0.0 client
done core api, testin ws
start ws streaming support
impl. push
implements the historics api
implements managed sources and preview api and suffic example files with _eg
figuring best way to do websocket multi streams
start of what will be a compelte suite of tests
adds more to streaming
update multistream support with our websocket-td
Moved changelog details from README to separate CHANGELOG file
Updated README for 3.0.0 release
Bumped to v.3.0.0.beta
Updated library user agent + removed unused code
Implemented /pull API endpoint