Added specs for defined?(__FILE__) and friends.
Added specs for defined?(__FILE__) and friends.

askl56/rubyspec,alexch/rubyspec,benlovell/rubyspec,jannishuebl/rubyspec,alexch/rubyspec,BanzaiMan/rubyspec,askl56/rubyspec,nobu/rubyspec,bl4ckdu5t/rubyspec,DawidJanczak/rubyspec,BanzaiMan/rubyspec,jannishuebl/rubyspec,ruby/spec,kachick/rubyspec,chesterbr/rubyspec,sgarciac/spec,yous/rubyspec,kachick/rubyspec,sgarciac/spec,iliabylich/rubyspec,DavidEGrayson/rubyspec,iliabylich/rubyspec,nobu/rubyspec,kidaa/rubyspec,benlovell/rubyspec,eregon/rubyspec,ruby/spec,kidaa/rubyspec,eregon/rubyspec,chesterbr/rubyspec,DawidJanczak/rubyspec,bl4ckdu5t/rubyspec,kachick/rubyspec,wied03/rubyspec,Aesthetikx/rubyspec,wied03/rubyspec,yous/rubyspec,DavidEGrayson/rubyspec,lucaspinto/rubyspec,lucaspinto/rubyspec,eregon/rubyspec,nobu/rubyspec,wied03/rubyspec,saturnflyer/rubyspec,sgarciac/spec,ruby/rubyspec,Aesthetikx/rubyspec,saturnflyer/rubyspec,ruby/rubyspec,ruby/spec,yaauie/rubyspec,yaauie/rubyspec