Sidekiq 2.16 compatibility
Merge pull request #53 from john-griffin/sidekiq2.16

Sidekiq 2.16 Compatibility
Added disabling and enabling of sidetiq jobs
Added better handling of namespaced workers classes into redis key namespaces
Changed the detection of arguments in perform to using parameters instead of arity, so that if defined by a block, the result will be the same
Added logic to check for argument parameters on perform triggered from web interface