Adding GetAlbum method and unite tests

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

examples/album.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	photoprism "github.com/kris-nova/client-go"
+	"github.com/kris-nova/logger"
+)
+
+func main() {
+	// ---
+	// Log Level 4 (Most)
+	// Log Level 3
+	// Log Level 2
+	// Log Level 1
+	// Log Level 0 (Least)
+	//
+	logger.Level = 4
+	//
+	// ---
+	uuid := "aqnzih81icziiyae"
+
+	client := photoprism.New("http://localhost:8080")
+	err := client.Auth(photoprism.NewClientAuthLogin("admin", "missy"))
+	if err != nil {
+		halt(4, "Error logging into API: %v", err)
+	}
+	logger.Always("Logged in...")
+
+	album, err := client.V1().GetAlbum(uuid)
+	fmt.Println(album)
+
+}