Makes SimpleCov resilient to inclusion of mathn library. (Re: #140)#175

Merged

colszowka merged 1 commit intosimplecov-ruby:masterfrom

scotje:fix-rationals

Nov 7, 2012

Commits on Nov 6, 2012

Made sure SourceFile.covered_percent and FileList.covered_strength won't return Rationals even when 'mathn' has been included.
scotje
committed