Use Twitter version 4.4 as 5.0 is not compatible with the current code
Merge pull request #16 from pedrovereza/twitter-version

Use Twitter version 4.4 as 5.0 is not compatible with the current code
Merge pull request #15 from pedrovereza/master

Separate since_id for search and mentions
make since_id settable via DSL. add client method which is supposed to be there already
tweaks to skeleton generation
oops, send the proper since_id for mentions
simplify
cleanup deprecation warnings