code: func (b *BigIP) PatchPoolMember(pool string, config *PoolMember) error {
  	return b.patch(config, uriLtm, uriPool, pool, uriPoolMember, config.FullPath)
  }
docs: // PatchPoolMember will update the configuration of a particular pool member.
  // this requires at least PoolMember{FullPath: foo} and additional fields