Ignore entirely empty lines at the end of files

Closes #141

src/Csv.php

@@ -1170,7 +1170,7 @@ class Csv {
 
             $data = fread($fh, filesize($file));
             fclose($fh);
-            return $data;
+            return rtrim($data, "\r\n");
         }
 
         return false;

tests/example_files/multiple_empty_lines.csv

@@ -0,0 +1,22 @@
+ID,dID,createdAt,else1,else2,else3,else4,else5,user,else6,else7,else8,else9,else10,else11,else12,else13,else14,else15,else16,else17,else18,else19,else20,else21,else22,else23,else24,else25,else26,else27,else28,else29,else30,else31,else32,else33,else34,else35,else36,else37,else38
+418,0,2017-05-16,,,2018-01-22,22.01.2018 10:00:09,,admin,Ja,,10001,Abweichung,,10001,v1,1,ddd,100,1000,,HH,,v1,0,401,1,2,H1,,-1,10,1,111,Ja,2017-01-01,,12,0,11109,HH-100,default
+419,0,2017-05-16,,,2017-05-16,14.07.2017 09:58:09,,admin,Ja,,,Abweichung,,10002,v2,1,ddd,200,500,DD,DD,,v2,1,402,2,4,H2,,-2,100,1,1111,Ja,2017-01-01,1,13,1,11109,DD-200,default 
+438,0,2017-05-16,,,2017-05-16,14.07.2017 09:58:29,,admin,Ja,,10021,Abweichung,,10021,v3,4,ddd,300,400,DD,DD,,v3,0,421,1,,H3,,-1,106,1,111,Ja,2017-05-08,,2,1,11109,DD-300,default
+440,0,2017-05-16,,,,14.07.2017 09:58:53,,admin,Ja,,,Alt,,10023,v4,3,,400,500,BE,DD,,v4,1,423,3,,H4,,-3,143,1,1111,Ja,2017-01-01,1,33,1,11108,BE-400,default
+441,0,2017-05-16,,,,14.07.2017 09:59:19,,admin,Ja,,,Fehlt,,10024,v5,3,,500,,BE,,,v5,2,424,4,,H5,,0,1435,0,111,Ja,2017-01-01,,12,1,0,BE-500,default
+442,0,2017-05-16,,,,14.07.2017 10:00:46,,admin,Ja,,,Neu,,10025,v6,3,,100,,DD,,,v6,435,425,1,,H6,,0,10,0,1111,Ja,2017-01-01,,102,1,0,DD-100,default
+443,0,2017-05-16,,,2017-07-04,14.07.2017 10:01:12,,admin,Ja,,,OK,,10026,v7,3,,200,200,DD,DD,,v7,32,426,2,2,H7,,0,100,0,111,Ja,2017-01-01,,77,1,0,DD-200,default
+444,0,2017-05-16,,,,14.07.2017 10:02:13,,admin,Ja,,,Fehlt,,10027,v8,3,,300,,BE,,,v8,45,427,3,,H8,,0,200,0,1111,Ja,2017-01-01,,44,3,0,BE-300,default
+445,0,2017-05-16,,,,14.07.2017 10:02:38,,admin,Ja,,,Fehlt,,10028,v9,3,,100,,BE,,,v9,45,428,4,,H9,,0,400,0,111,Ja,2017-01-01,,44,1,0,BE-100,default
+446,0,2017-05-16,,,,14.07.2017 10:03:01,,admin,Ja,,,Fehlt,,10029,v10,3,,,400,,DD,,v10,45,429,,,H10,,0,1124,0,1111,Ja,2017-01-01,,89,1,0,,default
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+

tests/methods/ParseTest.php

@@ -126,6 +126,25 @@ class ParseTest extends TestCase {
         ], $aCity);
     }
 
+    public function testWithMultipleNewlines() {
+        $this->csv->auto(__DIR__ . '/../example_files/multiple_empty_lines.csv');
+        $aElse9 = array_column($this->csv->data, 'else9');
+
+        /** @noinspection SpellCheckingInspection */
+        $this->assertEquals([
+            'Abweichung',
+            'Abweichung',
+            'Abweichung',
+            'Alt',
+            'Fehlt',
+            'Neu',
+            'OK',
+            'Fehlt',
+            'Fehlt',
+            'Fehlt',
+        ], $aElse9);
+    }
+
     /**
      * @depends testSepRowAutoDetection
      */
@@ -217,8 +236,7 @@ class ParseTest extends TestCase {
      *
      * @return mixed Method return.
      */
-    private function invokeMethod(&$object, $methodName, array $parameters = array())
-    {
+    private function invokeMethod(&$object, $methodName, array $parameters = array()) {
         $reflection = new \ReflectionClass(get_class($object));
         $method = $reflection->getMethod($methodName);
         $method->setAccessible(true);