Code style fixes

Author: luisdalmolin

src/Mixins/JoinRelationship.php

@@ -338,12 +338,12 @@ public function generateAliasForRelationship()
         return function ($relation, $relationName) {
             if ($relation instanceof BelongsToMany || $relation instanceof HasManyThrough) {
                 return [
-                   md5($relationName . 'table1' . time()),
-                   md5($relationName . 'table2' . time())
+                   md5($relationName.'table1'.time()),
+                   md5($relationName.'table2' . time()),
                 ];
             }
 
-            return md5($relationName . time());
+            return md5($relationName.time());
         };
     }
 

tests/JoinRelationshipTest.php

@@ -2,7 +2,6 @@
 
 namespace KirschbaumDevelopment\EloquentJoins\Tests;
 
-use KirschbaumDevelopment\EloquentJoins\Tests\Models\Category;
 use KirschbaumDevelopment\EloquentJoins\Tests\Models\Comment;
 use KirschbaumDevelopment\EloquentJoins\Tests\Models\Post;
 use KirschbaumDevelopment\EloquentJoins\Tests\Models\User;