Added __all__ to Dialogs library
Added __all__ to Dialogs library

fixes issue 677

rwarren14/robotframework,JackNokia/robotframework,SivagnanamCiena/robotframework,wojciechtanski/robotframework,edbrannin/robotframework,stasiek/robotframework,kurtdawg24/robotframework,xiaokeng/robotframework,fingeronthebutton/robotframework,ashishdeshpande/robotframework,xiaokeng/robotframework,SivagnanamCiena/robotframework,joongh/robotframework,un33k/robotframework,wojciechtanski/robotframework,dkentw/robotframework,eric-stanley/robotframework,kurtdawg24/robotframework,snyderr/robotframework,moto-timo/robotframework,userzimmermann/robotframework,robotframework/robotframework,alexandrul-ci/robotframework,ChrisHirsch/robotframework,edbrannin/robotframework,yahman72/robotframework,synsun/robotframework,Colorfulstan/robotframework,joongh/robotframework,HelioGuilherme66/robotframework,synsun/robotframework,synsun/robotframework,moto-timo/robotframework,suvarnaraju/robotframework,alexandrul-ci/robotframework,jaloren/robotframework,nmrao/robotframework,Colorfulstan/robotframework,nmrao/robotframework,userzimmermann/robotframework,fingeronthebutton/robotframework,moto-timo/robotframework,moto-timo/robotframework,rwarren14/robotframework,ChrisHirsch/robotframework,kyle1986/robortframe,yonglehou/robotframework,stasiek/robotframework,rwarren14/robotframework,jorik041/robotframework,kyle1986/robortframe,suvarnaraju/robotframework,jorik041/robotframework,eric-stanley/robotframework,HelioGuilherme66/robotframework,yahman72/robotframework,edbrannin/robotframework,yahman72/robotframework,JackNokia/robotframework,stasiek/robotframework,kurtdawg24/robotframework,eric-stanley/robotframework,suvarnaraju/robotframework,stasiek/robotframework,yonglehou/robotframework,snyderr/robotframework,JackNokia/robotframework,joongh/robotframework,yonglehou/robotframework,un33k/robotframework,ashishdeshpande/robotframework,snyderr/robotframework,jorik041/robotframework,alexandrul-ci/robotframework,edbrannin/robotframework,fingeronthebutton/robotframework,dkentw/robotframework,moto-timo/robotframework,synsun/robotframework,yahman72/robotframework,snyderr/robotframework,suvarnaraju/robotframework,alexandrul-ci/robotframework,dkentw/robotframework,jaloren/robotframework,robotframework/robotframework,alexandrul-ci/robotframework,stasiek/robotframework,userzimmermann/robotframework,dkentw/robotframework,userzimmermann/robotframework,ashishdeshpande/robotframework,un33k/robotframework,joongh/robotframework,jaloren/robotframework,ChrisHirsch/robotframework,kurtdawg24/robotframework,wojciechtanski/robotframework,ChrisHirsch/robotframework,ashishdeshpande/robotframework,SivagnanamCiena/robotframework,nmrao/robotframework,synsun/robotframework,ChrisHirsch/robotframework,rwarren14/robotframework,jaloren/robotframework,ashishdeshpande/robotframework,edbrannin/robotframework,rwarren14/robotframework,kyle1986/robortframe,snyderr/robotframework,wojciechtanski/robotframework,nmrao/robotframework,yonglehou/robotframework,yonglehou/robotframework,xiaokeng/robotframework,SivagnanamCiena/robotframework,suvarnaraju/robotframework,jaloren/robotframework,Colorfulstan/robotframework,robotframework/robotframework,fingeronthebutton/robotframework,eric-stanley/robotframework,userzimmermann/robotframework,kyle1986/robortframe,SivagnanamCiena/robotframework,nmrao/robotframework,xiaokeng/robotframework,xiaokeng/robotframework,wojciechtanski/robotframework,yahman72/robotframework,fingeronthebutton/robotframework,jorik041/robotframework,Colorfulstan/robotframework,dkentw/robotframework,JackNokia/robotframework,HelioGuilherme66/robotframework,un33k/robotframework,JackNokia/robotframework,jorik041/robotframework,joongh/robotframework,kurtdawg24/robotframework,un33k/robotframework,Colorfulstan/robotframework,kyle1986/robortframe