Add docs badge to README
Remove unused dependency to DescendantsTracker
Prepare changelog for 0.5.10
Remove require
Bump morpher dependency
Clarify matching criteria in spec name

* Mutant does not test for string receiver when emitting that mutation
Add equality mutations

* Closes #132
Adjust flay score
Merge pull request #166 from rrrene/patch-1

Add docs badge to README
Fix YARD docs
Include authoritative mrh-2.1.1 in travis matrix
Add require highjacker
Fix zombifier to use the require highjack
Adjust flay score
Fix reek issues
Do not confuse mutants test selection with integration specs
Add time to zombification ignores
Remove mutant override from Rakefile
Change zombifier to whitelist approach
Fix whitespace