Result object fixes

- i should do this in branch ✨

Author: Spamercz

.travis.yml

@@ -9,4 +9,4 @@ before_script:
 
 script:
   - vendor/bin/tester -c tests/php.ini tests
-  - vendor/bin/phpstan analyse -l 7 src tests
+  - vendor/bin/phpstan analyse -l 7 -c phpstan.neon src tests

phpstan.neon

@@ -0,0 +1,3 @@
+parameters:
+	ignoreErrors:
+		- "Call to function array_key_exists\(\) with string and array\<int, mixed\> will always evaluate to false."

src/Aggregation/AggregationCollection.php

@@ -44,7 +44,7 @@ public function filter() : \Spameri\ElasticQuery\Filter\FilterCollection
 
 
 	public function add(
-		LeafAggregationInterface $leafAggregation
+		LeafAggregationCollection $leafAggregation
 	) : void
 	{
 		$this->aggregations[$leafAggregation->key()] = $leafAggregation;

src/Aggregation/Term.php

@@ -25,7 +25,7 @@ class Term implements LeafAggregationInterface
 	private $missing;
 
 	/**
-	 * @var string
+	 * @var ?string
 	 */
 	private $key;
 

src/Options.php

@@ -7,19 +7,19 @@ class Options
 {
 
 	/**
-	 * @var int
+	 * @var ?int
 	 */
 	private $size;
 	/**
-	 * @var int
+	 * @var ?int
 	 */
 	private $from;
 	/**
 	 * @var \Spameri\ElasticQuery\Options\SortCollection
 	 */
 	private $sort;
 	/**
-	 * @var int
+	 * @var ?float
 	 */
 	private $minScore;
 
@@ -28,7 +28,7 @@ public function __construct(
 		?int $size = NULL,
 		?int $from = NULL,
 		?\Spameri\ElasticQuery\Options\SortCollection $sort = NULL,
-		float $minScore = NULL
+		?float $minScore = NULL
 	)
 	{
 		$this->size = $size;

tests/SpameriTests/ElasticQuery/Response/Result.phpt

@@ -9,7 +9,7 @@ require_once __DIR__ . '/../../bootstrap.php';
 class Result extends \Tester\TestCase
 {
 
-	public function createTest(): void
+	public function testCreate() : void
 	{
 		$result = [
 			'took' => 37,