Add pause, resume and cleanup command
Update log-handler documentation
Do a PHP version check and use the appropriate form of debug_backtrace() depending on PHP version. Two-argument format of debug_backtrace() is only available in PHP >= 5.4.0
Merge pull request #14 from ruckus/master

Do a PHP version check and use correct call for debug_backtrace()
Add `track` command to track job status
Add basic CONTRIBUTING doc
Bump version to 2.1.0
Use bootstrap setting for job tracking when not set on `Enqueue`
Display failed jobs details when job is failed, when using `track`
Internationalisation :speech_balloon:
Update dependencies minimum version
Add support of Scheduled jobs
Rename default log filename for consistency
Add link in changelog to upgrade notes
Load missing resque library files
Remove redundant files include
More accurate detection of workers status
Bump version
Load ResqueScheduler library even if scheduler is disabled to prevent class not found
Update example with correct Cube udp default server
Display total number of scheduled jobs in stats