small enhancements to --help
small enhancements to --help

rwarren14/robotframework,robotframework/robotframework,fingeronthebutton/robotframework,snyderr/robotframework,nmrao/robotframework,moto-timo/robotframework,ChrisHirsch/robotframework,jaloren/robotframework,ashishdeshpande/robotframework,SivagnanamCiena/robotframework,un33k/robotframework,nmrao/robotframework,ashishdeshpande/robotframework,Colorfulstan/robotframework,alexandrul-ci/robotframework,SivagnanamCiena/robotframework,userzimmermann/robotframework,moto-timo/robotframework,alexandrul-ci/robotframework,synsun/robotframework,jorik041/robotframework,Colorfulstan/robotframework,joongh/robotframework,stasiek/robotframework,joongh/robotframework,snyderr/robotframework,jaloren/robotframework,jorik041/robotframework,userzimmermann/robotframework,ChrisHirsch/robotframework,SivagnanamCiena/robotframework,dkentw/robotframework,jorik041/robotframework,JackNokia/robotframework,JackNokia/robotframework,suvarnaraju/robotframework,Colorfulstan/robotframework,SivagnanamCiena/robotframework,un33k/robotframework,rwarren14/robotframework,stasiek/robotframework,moto-timo/robotframework,kurtdawg24/robotframework,jorik041/robotframework,rwarren14/robotframework,synsun/robotframework,ChrisHirsch/robotframework,stasiek/robotframework,userzimmermann/robotframework,Colorfulstan/robotframework,kurtdawg24/robotframework,suvarnaraju/robotframework,yonglehou/robotframework,snyderr/robotframework,joongh/robotframework,HelioGuilherme66/robotframework,synsun/robotframework,snyderr/robotframework,userzimmermann/robotframework,SivagnanamCiena/robotframework,rwarren14/robotframework,JackNokia/robotframework,fingeronthebutton/robotframework,Colorfulstan/robotframework,ashishdeshpande/robotframework,synsun/robotframework,HelioGuilherme66/robotframework,yonglehou/robotframework,xiaokeng/robotframework,alexandrul-ci/robotframework,snyderr/robotframework,nmrao/robotframework,rwarren14/robotframework,stasiek/robotframework,JackNokia/robotframework,nmrao/robotframework,kurtdawg24/robotframework,jaloren/robotframework,un33k/robotframework,moto-timo/robotframework,dkentw/robotframework,kurtdawg24/robotframework,robotframework/robotframework,userzimmermann/robotframework,ChrisHirsch/robotframework,joongh/robotframework,suvarnaraju/robotframework,ashishdeshpande/robotframework,jaloren/robotframework,fingeronthebutton/robotframework,suvarnaraju/robotframework,alexandrul-ci/robotframework,stasiek/robotframework,yonglehou/robotframework,alexandrul-ci/robotframework,dkentw/robotframework,dkentw/robotframework,robotframework/robotframework,moto-timo/robotframework,yonglehou/robotframework,HelioGuilherme66/robotframework,kurtdawg24/robotframework,synsun/robotframework,ChrisHirsch/robotframework,xiaokeng/robotframework,nmrao/robotframework,xiaokeng/robotframework,un33k/robotframework,joongh/robotframework,JackNokia/robotframework,fingeronthebutton/robotframework,xiaokeng/robotframework,xiaokeng/robotframework,yonglehou/robotframework,ashishdeshpande/robotframework,fingeronthebutton/robotframework,un33k/robotframework,jaloren/robotframework,suvarnaraju/robotframework,jorik041/robotframework,dkentw/robotframework