Make failed? method return a bool.
Explicitly specify language
Test in both 1.8 and 1.9 mode on JRuby and Rubinius
Add coverage report with SimpleCov
Update lib/delayed/worker.rb
Merge pull request #366 from atotic/master

One line fix for a missing 'benchmark' require
Allow Delayed::Worker configuration to be reset, allowing RSpec to pass independent of order
Don't require the sqlite3 development dependency for JRuby
Rails does not need to be, so shouldn't be a development dependency
Flailing attempt to pass JRuby on Travis
It should not be assumed ActiveRecord is loaded when using Mongoid for example
Merge pull request #368 from unnu/master

ActiveRecord must not be loaded when using Mongoid backend
Removing whitespace
Aligning assignments. You know, for readability.
Preparing 3.0.2 release
Fix for #377.

Fixing a reference to `$exit` instead of `@exit` and adding a `stop?`
method for it's value.
Group worker.rb's accessor declarations
Cast sleep delay to an integer
Parallelize stop and restart to be faster with many workers.
Add group.  Add note about /bin/su