Add specs for the show and hide binding routines.
Add specs for the show and hide binding routines.

QAPInt/rivets,altmind/rivets,mikeric/rivets,jccazeaux/rivets,GerHobbelt/rivets,zongkelong/rivets,mikeric/rivets,QAPInt/rivets,re-clone/rivets,re-clone/rivets,mikeric/rivets,altmind/rivets,kangax/rivets,jccazeaux/rivets,nopnop/rivets,QAPInt/rivets,zongkelong/rivets,zongkelong/rivets,npmcomponent/mikeric-rivets,MishaMykhalyuk/rivets,moneyadviceservice/rivets,re-clone/rivets,altmind/rivets,benderTheCrime/tiny-rivets,GerHobbelt/rivets,nopnop/rivets,GerHobbelt/rivets,MishaMykhalyuk/rivets,nopnop/rivets,MishaMykhalyuk/rivets,jccazeaux/rivets