Fix a bug that scrape.Session.follow doesn't work with compiled regexp. Also fixed/improved some method docs.
Fix a bug that scrape.Session.follow doesn't work with compiled regexp.
Also fixed/improved some method docs.

gimite/personfinder,gimite/personfinder,google/personfinder,gimite/personfinder,google/personfinder,AwesomeTurtle/personfinder,google/personfinder,AwesomeTurtle/personfinder,google/personfinder,AwesomeTurtle/personfinder,gimite/personfinder