Adding GetAlbum method and unite tests

Signed-off-by: Kris Nóva <kris@nivenly.com>

api/v1/album.go

@@ -0,0 +1,11 @@
+package api
+
+// GET /api/v1/albums
+func (v1 *V1Client) GetAlbum(uuid string) (Album, error) {
+	album := Album{}
+
+	// NOTE: Even though this method is singular GetAlbum
+	// if will call the "albums" plural endpoint.
+	err := v1.GET("/api/v1/albums/%s", uuid).JSON(&album)
+	return album, err
+}