Style/Next
Style/HashSyntax

Standardize on hash_rockets
Style/GuardClause
Remove spurious `begin`
Remove unused module
Clarify that this is a monkeypatch
Fix top-level constant warning
Style
Stricter params parsing
Consistent log signatures
Randomize ports
Fix the benchmarks
Other rubies need pry too
Remove useless ivars
Specs pass under JRuby now!