Remove strategy from mutant.yml
Make Response::Exception::Output work with mutant
Simplify Chain::Definition and add missing mutant coverage
Fix Chain mutant coverage
Fix Environment mutant coverage
Fix Request mutant coverage
Fix Processor::Config mutant coverage
Fix DSL::Registry mutant coverage
Fix Chain::DSL mutant coverage
Add some tests for Processor::Nest::Incoming
Fix Processor::Nest::Incoming mutant coverage
Remove DEBUG_SUBSTATION env check
Change flay score
Add couple of methods to reek exclude list
Remove default arguments from Chain::Definition#initialize
Use EMPTY_ARRAY const instead of literal []
Allow travis failures on jruby-head
Add Indrek Juhkam to contributor section

[ci skip]
Rely on semantic versioning dependency constraints
Update the Changelog