rename String class to Str for PHP7 compatibility, this closes #11

Author: mdurrant

src/BinaryReader.php

@@ -8,7 +8,7 @@
 use PhpBinaryReader\Type\Int8;
 use PhpBinaryReader\Type\Int16;
 use PhpBinaryReader\Type\Int32;
-use PhpBinaryReader\Type\String;
+use PhpBinaryReader\Type\Str;
 
 class BinaryReader
 {
@@ -58,7 +58,7 @@ class BinaryReader
     private $bitReader;
 
     /**
-     * @var \PhpBinaryReader\Type\String
+     * @var \PhpBinaryReader\Type\Str
      */
     private $stringReader;
 
@@ -98,7 +98,7 @@ public function __construct($input, $endian = Endian::ENDIAN_LITTLE)
         $this->setPosition(0);
 
         $this->bitReader = new Bit();
-        $this->stringReader = new String();
+        $this->stringReader = new Str();
         $this->byteReader = new Byte();
         $this->int8Reader = new Int8();
         $this->int16Reader = new Int16();
@@ -421,7 +421,7 @@ public function getInt32Reader()
     }
 
     /**
-     * @return \PhpBinaryReader\Type\String
+     * @return \PhpBinaryReader\Type\Str
      */
     public function getStringReader()
     {

src/Type/String.php src/Type/Str.phpsrc/Type/String.php renamed to src/Type/Str.php

@@ -5,7 +5,7 @@
 use PhpBinaryReader\BinaryReader;
 use PhpBinaryReader\Exception\InvalidDataException;
 
-class String implements TypeInterface
+class Str implements TypeInterface
 {
     /**
      * @param  \PhpBinaryReader\BinaryReader $br

test/BinaryReaderTest.php

@@ -304,6 +304,6 @@ public function testReaders()
         $this->assertInstanceOf('\PhpBinaryReader\Type\Int16', $brBig->getInt16Reader());
         $this->assertInstanceOf('\PhpBinaryReader\Type\Int32', $brBig->getInt32Reader());
         $this->assertInstanceOf('\PhpBinaryReader\Type\Int8', $brBig->getInt8Reader());
-        $this->assertInstanceOf('\PhpBinaryReader\Type\String', $brBig->getStringReader());
+        $this->assertInstanceOf('\PhpBinaryReader\Type\Str', $brBig->getStringReader());
     }
 }

test/Type/StringTest.php test/Type/StrTest.phptest/Type/StringTest.php renamed to test/Type/StrTest.php

@@ -7,18 +7,18 @@
 use PhpBinaryReader\Endian;
 
 /**
- * @coversDefaultClass \PhpBinaryReader\Type\String
+ * @coversDefaultClass \PhpBinaryReader\Type\Str
  */
-class StringTest extends AbstractTestCase
+class StrTest extends AbstractTestCase
 {
     /**
-     * @var String
+     * @var Str
      */
     public $string;
 
     public function setUp()
     {
-        $this->string = new String();
+        $this->string = new Str();
     }
 
     /**