add docs to the patch methods
add docs to the patch methods

mojombo/grit,flycutter/grit,HrishikeshSingh/testmodulerepo,isabanin/grit,github/grit,brynary/grit,rgroux/grit,gitcafe-dev/grit,abicky/grit,HrishikeshSingh/testmodulerepo,gitcafe-dev/grit,flycutter/grit,thommay/grit,gitlabhq/grit,kevinsawicki/grit,thommay/grit,patientslikeme/grit,renatoramiro/grit,redronin/grit,gitlabhq/grit,rgroux/grit,kevinsawicki/grit,isabanin/grit,brynary/grit