Use devtools from rom project
Remove testing under 1.8 and add IRC nofications
Adjust IRC notifications [ci skip]
Update contact email [ci skip]
Prepare changelog for 0.3
Port case mutations to parser
Port return mutator to parser
Use KEYWORDS constants from unparser
Port regular (non operator) sends to parser
Style
Port binary method operator mutator to parser
Port super mutator to parser
Port while mutator to parser
Port block mutators to parser
Use parser API in mutation subjects
Mark zombie specs as pending
Deduplicate and correct singleton and instance method subjects
Remove dead code
Merge branch 'master' into parser-unparser

Conflicts:
	Gemfile
	mutant.gemspec
Use parser ~> 2.0.beta5