Added "page.evaluateAndWaitForLoad" decorative method.
Added "page.evaluateAndWaitForLoad" decorative method.

This is useful when we know that some JS code that we are going to Evaluate it's going to cause a page load.
HelioGuilherme66/ghostdriver,amikey/ghostdriver,treejames/ghostdriver,jesg/ghostdriver,HelioGuilherme66/ghostdriver,detro/ghostdriver,detro/ghostdriver,asolntsev/ghostdriver,xsyntrex/ghostdriver,asolntsev/ghostdriver,acarpe/ghostdriver,yuanzhen/ghostdriver,stevenliuit/ghostdriver,detro/ghostdriver,Lochlan/ghostdriver,testingbot/ghostdriver,stevenliuit/ghostdriver,51ttw/ghostdriver,Vitallium/ghostdriver,kuahyeow/ghostdriver,testingbot/ghostdriver,xsyntrex/ghostdriver,jesg/ghostdriver,kuahyeow/ghostdriver,HelioGuilherme66/ghostdriver,jesg/ghostdriver,antoinereyt/ghostdriver,antoinereyt/ghostdriver,testingbot/ghostdriver,treejames/ghostdriver,yuanzhen/ghostdriver,amikey/ghostdriver,jesg/ghostdriver,testingbot/ghostdriver,Vitallium/ghostdriver,51ttw/ghostdriver,acarpe/ghostdriver,Lochlan/ghostdriver