add AlreadyPosted error subclass
raise AlreadyPosted error on update
typo
Add already posted spec to update_with_media
Remove Twitter#client?
Handle error codes in Twitter::Error
Twitter::ServerError and Twitter::ClientError can parse the response and
find error codes.
Refactor error classes; parse JSON for 5xx responses
Fix example code [ci skip]
streaming clients
added celluloid-io dependency
added http_parser.rb dependency
properly namespace core streaming classes
convenience file for requiring streaming clients
make the client's request accessible
test streaming
tests for request, response and proxy classes
use Celluloid::IO prefix on TCPSocket
simplify response header handling
fix typo