Improved specs on Rational#round with num == 0 and den == 1.
Improved specs on Rational#round with num == 0 and den == 1.

BanzaiMan/rubyspec,nobu/rubyspec,eregon/rubyspec,kachick/rubyspec,wied03/rubyspec,BanzaiMan/rubyspec,ruby/rubyspec,ruby/spec,jannishuebl/rubyspec,yous/rubyspec,iliabylich/rubyspec,nobu/rubyspec,kachick/rubyspec,kidaa/rubyspec,ruby/spec,askl56/rubyspec,bl4ckdu5t/rubyspec,ruby/spec,lucaspinto/rubyspec,wied03/rubyspec,kidaa/rubyspec,bl4ckdu5t/rubyspec,yous/rubyspec,kachick/rubyspec,askl56/rubyspec,nobu/rubyspec,sgarciac/spec,benlovell/rubyspec,iliabylich/rubyspec,sgarciac/spec,eregon/rubyspec,lucaspinto/rubyspec,wied03/rubyspec,jannishuebl/rubyspec,eregon/rubyspec,benlovell/rubyspec,sgarciac/spec,ruby/rubyspec