Add Pre/Post functions to godoc
Add Pre/Post functions to godoc

losinggeneration/gorp,GeertJohan/gorp,d-g-laptev/gorp,coopernurse/gorp,d-g-laptev/gorp,mousesun/gorp,cortex/gorp,coopernurse/gorp,evenco/gorp,yp-engineering/gorp,kimxilxyong/gorp,losinggeneration/gorp,kimxilxyong/gorp,GeertJohan/gorp,gabelula/gorp,outdoorsy/gorp,gabelula/gorp,go-gorp/gorp,outdoorsy/gorp,cortex/gorp,xiaoenai/gorp,yp-engineering/gorp,go-gorp/gorp,evenco/gorp,kevinc0825/gorm,kevinc0825/gorm,xiaoenai/gorp,mousesun/gorp