diff --git a/go.mod b/go.mod
index 9f3b86f..7c5c99d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,6 @@ module git.dragse.it/anthrove/e621-to-graph
 go 1.21.3
 
 require (
-	github.com/google/go-cmp v0.6.0 // indirect
-	github.com/jarcoal/httpmock v1.3.1 // indirect
-	github.com/joho/godotenv v1.5.1 // indirect
+	github.com/jarcoal/httpmock v1.3.1
+	github.com/joho/godotenv v1.5.1
 )
diff --git a/go.sum b/go.sum
index d98f698..d380c0b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,8 @@
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jarcoal/httpmock v1.3.1 h1:iUx3whfZWVf3jT01hQTO/Eo5sAYtB2/rqaUuOtpInww=
 github.com/jarcoal/httpmock v1.3.1/go.mod h1:3yb8rc4BI7TCBhFY8ng0gjuLKJNquuDNiPaZjnENuYg=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/maxatome/go-testdeep v1.12.0 h1:Ql7Go8Tg0C1D/uMMX59LAoYK7LffeJQ6X2T04nTH68g=
+github.com/maxatome/go-testdeep v1.12.0/go.mod h1:lPZc/HAcJMP92l7yI6TRz1aZN5URwUBUAfUNvrclaNM=
diff --git a/pkg/e621/builder/favorite.go b/pkg/e621/builder/favorite.go
index 89a47c5..9500d5f 100644
--- a/pkg/e621/builder/favorite.go
+++ b/pkg/e621/builder/favorite.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -38,7 +37,7 @@ func (g getFavorites) SetLimit(limitFavorites int) FavoritesBuilder {
 func (g getFavorites) Execute() ([]model.Post, error) {
 	favorites, err := endpoints.GetFavorites(g.requestContext, g.query)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return favorites, nil
diff --git a/pkg/e621/builder/note.go b/pkg/e621/builder/note.go
index e3fad17..090c056 100644
--- a/pkg/e621/builder/note.go
+++ b/pkg/e621/builder/note.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -30,7 +29,7 @@ func (g *getNote) SetNoteID(noteID int) NoteBuilder {
 func (g *getNote) Execute() (*model.Note, error) {
 	note, err := endpoints.GetNote(g.requestContext, strconv.Itoa(g.noteID))
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return &note, nil
diff --git a/pkg/e621/builder/notes.go b/pkg/e621/builder/notes.go
index b3b1a4a..2d55dee 100644
--- a/pkg/e621/builder/notes.go
+++ b/pkg/e621/builder/notes.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -68,7 +67,7 @@ func (g getNotes) SetLimit(limitNotes int) NotesBuilder {
 func (g getNotes) Execute() ([]model.Note, error) {
 	notes, err := endpoints.GetNotes(g.requestContext, g.query)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return notes, nil
diff --git a/pkg/e621/builder/pool.go b/pkg/e621/builder/pool.go
index c0fabd1..b8a1e53 100644
--- a/pkg/e621/builder/pool.go
+++ b/pkg/e621/builder/pool.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -29,7 +28,7 @@ func (g getPool) ID(poolID int) PoolBuilder {
 func (g getPool) Execute() (model.Pool, error) {
 	pool, err := endpoints.GetPool(g.requestContext, strconv.Itoa(g.id))
 	if err != nil {
-		log.Println(err)
+
 		return model.Pool{}, err
 	}
 	return pool, nil
diff --git a/pkg/e621/builder/pools.go b/pkg/e621/builder/pools.go
index a65c985..ab8ff24 100644
--- a/pkg/e621/builder/pools.go
+++ b/pkg/e621/builder/pools.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -80,7 +79,7 @@ func (g *getPools) SetLimit(limitUser int) PoolsBuilder {
 func (g *getPools) Execute() ([]model.Pool, error) {
 	pools, err := endpoints.GetPools(g.requestContext, g.query)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return pools, nil
diff --git a/pkg/e621/builder/post.go b/pkg/e621/builder/post.go
index 6c9dec6..4213427 100644
--- a/pkg/e621/builder/post.go
+++ b/pkg/e621/builder/post.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -29,7 +28,7 @@ func (g *getPost) SetPostID(postID int) PostBuilder {
 func (g *getPost) Execute() (*model.Post, error) {
 	post, err := endpoints.GetPost(g.requestContext, strconv.Itoa(g.postID))
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return &post, nil
diff --git a/pkg/e621/builder/posts.go b/pkg/e621/builder/posts.go
index 5171edc..b52a3cd 100644
--- a/pkg/e621/builder/posts.go
+++ b/pkg/e621/builder/posts.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -50,7 +49,7 @@ func (g *getPosts) SetLimit(limitUser int) PostsBuilder {
 func (g *getPosts) Execute() ([]model.Post, error) {
 	posts, err := endpoints.GetPosts(g.requestContext, g.query)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return posts, err
diff --git a/pkg/e621/builder/tag.go b/pkg/e621/builder/tag.go
index 3a55cdb..055a17d 100644
--- a/pkg/e621/builder/tag.go
+++ b/pkg/e621/builder/tag.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -29,7 +28,7 @@ func (g *getTag) SetTagID(tagID int) TagBuilder {
 func (g *getTag) Execute() (model.Tag, error) {
 	tag, err := endpoints.GetTag(g.requestContext, strconv.Itoa(g.tagID))
 	if err != nil {
-		log.Println(err)
+
 		return model.Tag{}, err
 	}
 	return tag, nil
diff --git a/pkg/e621/builder/tags.go b/pkg/e621/builder/tags.go
index 62cb8e5..1a78e39 100644
--- a/pkg/e621/builder/tags.go
+++ b/pkg/e621/builder/tags.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -71,7 +70,7 @@ func (g *getTags) SetLimit(limitUser int) TagsBuilder {
 func (g *getTags) Execute() ([]model.Tag, error) {
 	tags, err := endpoints.GetTags(g.requestContext, g.query)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return tags, err
diff --git a/pkg/e621/builder/user.go b/pkg/e621/builder/user.go
index fa973b2..ba92bd3 100644
--- a/pkg/e621/builder/user.go
+++ b/pkg/e621/builder/user.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 )
 
 type UserBuilder interface {
@@ -28,7 +27,7 @@ func (g *getUser) SetUsername(username string) UserBuilder {
 func (g *getUser) Execute() (*model.User, error) {
 	user, err := endpoints.GetUser(g.requestContext, g.username)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return &user, nil
diff --git a/pkg/e621/builder/users.go b/pkg/e621/builder/users.go
index 6c974cf..c083801 100644
--- a/pkg/e621/builder/users.go
+++ b/pkg/e621/builder/users.go
@@ -3,7 +3,6 @@ package builder
 import (
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/endpoints"
 	"git.dragse.it/anthrove/e621-to-graph/pkg/e621/model"
-	"log"
 	"strconv"
 )
 
@@ -35,7 +34,7 @@ func (g *getUsers) SetLimit(limitUser int) UsersBuilder {
 func (g *getUsers) Execute() ([]model.User, error) {
 	users, err := endpoints.GetUsers(g.requestContext, g.query)
 	if err != nil {
-		log.Println(err)
+
 		return nil, err
 	}
 	return users, nil
diff --git a/pkg/e621/endpoints/favorite.go b/pkg/e621/endpoints/favorite.go
index 1469d20..a3dcdb4 100644
--- a/pkg/e621/endpoints/favorite.go
+++ b/pkg/e621/endpoints/favorite.go
@@ -57,7 +57,7 @@ func GetFavorites(requestContext model.RequestContext, query map[string]string)
 	err = json.NewDecoder(resp.Body).Decode(&favoriteResponse)
 	if err != nil {
 		// Log the error and return an empty User struct and the error.
-		log.Println(err)
+
 		return nil, err
 	}
 
diff --git a/pkg/e621/endpoints/note.go b/pkg/e621/endpoints/note.go
index c99c7d1..b30ba2e 100644
--- a/pkg/e621/endpoints/note.go
+++ b/pkg/e621/endpoints/note.go
@@ -25,7 +25,7 @@ func GetNote(requestContext model.RequestContext, ID string) (model.Note, error)
 	r, err := http.NewRequest("GET", fmt.Sprintf("%s/notes/%s.json", requestContext.Host, ID), nil)
 	if err != nil {
 		// Log the error and return an empty Note struct and the error.
-		log.Println(err)
+
 		return model.Note{}, err
 	}
 
@@ -37,7 +37,7 @@ func GetNote(requestContext model.RequestContext, ID string) (model.Note, error)
 	resp, err := requestContext.Client.Do(r)
 	if err != nil {
 		// Log the error and return an empty Note struct and the error.
-		log.Println(err)
+
 		return model.Note{}, err
 	}
 
@@ -54,7 +54,7 @@ func GetNote(requestContext model.RequestContext, ID string) (model.Note, error)
 	err = json.NewDecoder(resp.Body).Decode(&noteResponse)
 	if err != nil {
 		// Log the error and return an empty Note struct and the error.
-		log.Println(err)
+
 		return model.Note{}, err
 	}
 
@@ -113,7 +113,7 @@ func GetNotes(requestContext model.RequestContext, query map[string]string) ([]m
 	err = json.Unmarshal(respBodyBytes, &notesResponse)
 	if err != nil {
 		// Log the error and return an empty slice and the error.
-		log.Println(err)
+
 		return nil, err
 	}
 
diff --git a/pkg/e621/endpoints/pool.go b/pkg/e621/endpoints/pool.go
index a00d6d2..17a2466 100644
--- a/pkg/e621/endpoints/pool.go
+++ b/pkg/e621/endpoints/pool.go
@@ -23,7 +23,7 @@ func GetPool(requestContext model.RequestContext, ID string) (model.Pool, error)
 	r, err := http.NewRequest("GET", fmt.Sprintf("%s/pools/%s.json", requestContext.Host, ID), nil)
 	if err != nil {
 		// Log the error and return an empty Pool struct and the error.
-		log.Println(err)
+
 		return model.Pool{}, err
 	}
 
@@ -35,7 +35,7 @@ func GetPool(requestContext model.RequestContext, ID string) (model.Pool, error)
 	resp, err := requestContext.Client.Do(r)
 	if err != nil {
 		// Log the error and return an empty Pool struct and the error.
-		log.Println(err)
+
 		return model.Pool{}, err
 	}
 
@@ -52,7 +52,7 @@ func GetPool(requestContext model.RequestContext, ID string) (model.Pool, error)
 	err = json.NewDecoder(resp.Body).Decode(&poolResponse)
 	if err != nil {
 		// Log the error and return an empty Pool struct and the error.
-		log.Println(err)
+
 		return model.Pool{}, err
 	}
 
@@ -106,7 +106,7 @@ func GetPools(requestContext model.RequestContext, query map[string]string) ([]m
 	err = json.NewDecoder(resp.Body).Decode(&poolsResponse)
 	if err != nil {
 		// Log the error and return an empty slice and the error.
-		log.Println(err)
+
 		return nil, err
 	}
 
diff --git a/pkg/e621/endpoints/post.go b/pkg/e621/endpoints/post.go
index 19e69e1..ff182cc 100644
--- a/pkg/e621/endpoints/post.go
+++ b/pkg/e621/endpoints/post.go
@@ -22,7 +22,7 @@ func GetPost(requestContext model.RequestContext, ID string) (model.Post, error)
 	r, err := http.NewRequest("GET", fmt.Sprintf("%s/posts/%s.json", requestContext.Host, ID), nil)
 	if err != nil {
 		// Log the error and return an empty Post struct and the error.
-		log.Println(err)
+
 		return model.Post{}, err
 	}
 
@@ -34,7 +34,7 @@ func GetPost(requestContext model.RequestContext, ID string) (model.Post, error)
 	resp, err := requestContext.Client.Do(r)
 	if err != nil {
 		// Log the error and return an empty Post struct and the error.
-		log.Println(err)
+
 		return model.Post{}, err
 	}
 
@@ -51,7 +51,7 @@ func GetPost(requestContext model.RequestContext, ID string) (model.Post, error)
 	err = json.NewDecoder(resp.Body).Decode(&postResponse)
 	if err != nil {
 		// Log the error and return an empty Post struct and the error.
-		log.Println(err)
+
 		return model.Post{}, err
 	}
 
@@ -105,7 +105,7 @@ func GetPosts(requestContext model.RequestContext, query map[string]string) ([]m
 	err = json.NewDecoder(resp.Body).Decode(&postResponse)
 	if err != nil {
 		// Log the error and return an empty slice and the error.
-		log.Println(err)
+
 		return nil, err
 	}
 
diff --git a/pkg/e621/endpoints/tag.go b/pkg/e621/endpoints/tag.go
index 293c644..a30c4da 100644
--- a/pkg/e621/endpoints/tag.go
+++ b/pkg/e621/endpoints/tag.go
@@ -23,7 +23,7 @@ func GetTag(requestContext model.RequestContext, ID string) (model.Tag, error) {
 	r, err := http.NewRequest("GET", fmt.Sprintf("%s/tags/%s.json", requestContext.Host, ID), nil)
 	if err != nil {
 		// Log the error and return an empty Tag struct and the error.
-		log.Println(err)
+
 		return model.Tag{}, err
 	}
 
@@ -35,7 +35,7 @@ func GetTag(requestContext model.RequestContext, ID string) (model.Tag, error) {
 	resp, err := requestContext.Client.Do(r)
 	if err != nil {
 		// Log the error and return an empty Tag struct and the error.
-		log.Println(err)
+
 		return model.Tag{}, err
 	}
 
@@ -52,7 +52,7 @@ func GetTag(requestContext model.RequestContext, ID string) (model.Tag, error) {
 	err = json.NewDecoder(resp.Body).Decode(&tag)
 	if err != nil {
 		// Log the error and return an empty Tag struct and the error.
-		log.Println(err)
+
 		return model.Tag{}, err
 	}
 
@@ -117,7 +117,7 @@ func GetTags(requestContext model.RequestContext, query map[string]string) ([]mo
 	err = json.NewDecoder(resp.Body).Decode(&tags)
 	if err != nil {
 		// Log the error and return an empty slice and the error.
-		log.Println(err)
+
 		return []model.Tag{}, err
 	}
 
diff --git a/pkg/e621/endpoints/user.go b/pkg/e621/endpoints/user.go
index 1f4a1d4..b34cbb8 100644
--- a/pkg/e621/endpoints/user.go
+++ b/pkg/e621/endpoints/user.go
@@ -23,7 +23,7 @@ func GetUser(requestContext model.RequestContext, username string) (model.User,
 	r, err := http.NewRequest("GET", fmt.Sprintf("%s/users/%s.json", requestContext.Host, username), nil)
 	if err != nil {
 		// Log the error and return an empty User struct and the error.
-		log.Println(err)
+
 		return model.User{}, err
 	}
 
@@ -35,7 +35,7 @@ func GetUser(requestContext model.RequestContext, username string) (model.User,
 	resp, err := requestContext.Client.Do(r)
 	if err != nil {
 		// Log the error and return an empty User struct and the error.
-		log.Println(err)
+
 		return model.User{}, err
 	}
 
@@ -52,7 +52,7 @@ func GetUser(requestContext model.RequestContext, username string) (model.User,
 	err = json.NewDecoder(resp.Body).Decode(&user)
 	if err != nil {
 		// Log the error and return an empty User struct and the error.
-		log.Println(err)
+
 		return model.User{}, err
 	}
 
@@ -106,7 +106,7 @@ func GetUsers(requestContext model.RequestContext, query map[string]string) ([]m
 	err = json.NewDecoder(resp.Body).Decode(&users)
 	if err != nil {
 		// Log the error and return an empty slice and the error.
-		log.Println(err)
+
 		return []model.User{}, err
 	}