collaborations.go
func (c *Client) Collaboration(identifier string) (*Collaboration, error) {
	col := new(Collaboration)
	_, err := c.MakeApiRequest("GET", "/1.0/user/collaborations/"+identifier, nil, col)
	if err != nil {
		return nil, err
	}
	return col, err
}
func (c *Client) Collaboration(identifier string) (*Collaboration, error) {
	col := new(Collaboration)
	_, err := c.MakeApiRequest("GET", "/1.0/user/collaborations/"+identifier, nil, col)
	if err != nil {
		return nil, err
	}
	return col, err
}
// Collaboration retrieves a detailed view of one of the current user's
// collaborations