Refactoring (#31)

* Refactoring code

* Code formatting

* More changes

* Moved to icarus-models::user

* Some refactoring

* Updated icarus-models

* Removing constants

* Replaced with icarus-models constants

* Formatting

* Switched to constants from icarus-models:

* Replaced Token with AccessToken from icarus-models

* Updated icarus-models

* Formatting

* Removing code

src/syncers/retrieve_records.rs

@@ -18,7 +18,7 @@ impl Default for RetrieveRecords {
 impl RetrieveRecords {
     pub async fn get_all_songs(
         &mut self,
-        token: &models::token::Token,
+        token: &icarus_models::token::AccessToken,
     ) -> Result<Vec<models::song::Song>, Error> {
         self.api.endpoint = String::from("song");
         let mut songs: Vec<models::song::Song> = Vec::new();