Merge branch 'release/1.3.1' into develop
Added tmp to gitignore
Added #goto method that handles hand-off.
Merge pull request #11 from adhearsion/feature/goto

Added #goto method that handles hand-off.
Changed argument handling in #goto.
Set PUNCHBLOCK_END_ON_ASYNCAGI_BREAK to force channel release on Goto execution
Remove mocha from specs to sidestep problems assumed to be tied to https://github.com/celluloid/celluloid/issues/22
Merge pull request #13 from adhearsion/feature/set-end-on-async-break

Feature/set end on async break
[CS] Better dependencies

Remove some we don't need, and specify looser version requirements
[DOC] Changelog entry
[UPDATE] Bump to 1.4.0
Merge branch 'release/1.4.0'