Set default range counts (#211)

* Set default range counts

* Force ints

Author: simonhamp

src/Gitonomy/Git/Parser/DiffParser.php

@@ -102,9 +102,9 @@ protected function doParse()
             while ($this->expects('@@ ')) {
                 $vars = $this->consumeRegexp('/-(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))?/');
                 $rangeOldStart = (int) $vars[1];
-                $rangeOldCount = (int) $vars[2];
+                $rangeOldCount = (int) ($vars[2] ?? 1);
                 $rangeNewStart = (int) $vars[3];
-                $rangeNewCount = isset($vars[4]) ? (int) $vars[4] : (int) $vars[2]; // @todo Ici, t'as pris un gros raccourci mon loulou
+                $rangeNewCount = (int) ($vars[4] ?? 1);
                 $this->consume(' @@');
                 $this->consumeTo("\n");
                 $this->consumeNewLine();