func (views *Views) Filter(oDataFilter string) *Views {
	views.modifiers.AddFilter(oDataFilter)
	return views
}
Filter adds $filter OData modifier
package api
func (views *Views) Conf(config *RequestConfig) *Views {
	views.config = config
	return views
}
func (views *Views) Select(oDataSelect string) *Views {
	views.modifiers.AddSelect(oDataSelect)
	return views
}
func (views *Views) Expand(oDataExpand string) *Views {
	views.modifiers.AddExpand(oDataExpand)
	return views
}