Pass through surrogate characters

This fixes the last four failing tests

composer.lock

@@ -8,11 +8,11 @@
     "packages": [
         {
             "name": "mensbeam/intl",
-            "version": "0.5.0",
+            "version": "0.6.0",
             "source": {
                 "type": "git",
                 "url": "https://code.mensbeam.com/MensBeam/intl",
-                "reference": "2e47fde77465114c509bec270d44261da71bbf89"
+                "reference": "200a310f72b086a63b84c4ca2af3b402852e3cce"
             },
             "require": {
                 "php": "^7.0"
@@ -49,7 +49,7 @@
                 "utf-8",
                 "utf8"
             ],
-            "time": "2019-12-13T16:05:01+00:00"
+            "time": "2019-12-18T19:57:54+00:00"
         }
     ],
     "packages-dev": [

lib/Data.php

@@ -47,7 +47,7 @@ class Data {
 
         // Normalize line breaks. Convert CRLF and CR to LF.
         // Break the string up into a traversable object.
-        $this->data = new \MensBeam\Intl\Encoding\UTF8(str_replace(["\r\n", "\r"], "\n", $data));
+        $this->data = new \MensBeam\Intl\Encoding\UTF8(str_replace(["\r\n", "\r"], "\n", $data), false, true);
 
         # One leading U+FEFF BYTE ORDER MARK character must be ignored if any are present
         # in the input stream.

vendor-bin/phpunit/composer.lock

@@ -64,16 +64,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.9.3",
+            "version": "1.9.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea"
+                "reference": "579bb7356d91f9456ccd505f24ca8b667966a0a7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/007c053ae6f31bba39dfa19a7726f56e9763bbea",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/579bb7356d91f9456ccd505f24ca8b667966a0a7",
-                "reference": "007c053ae6f31bba39dfa19a7726f56e9763bbea",
+                "reference": "579bb7356d91f9456ccd505f24ca8b667966a0a7",
                 "shasum": ""
             },
             "require": {
@@ -108,7 +108,7 @@
                 "object",
                 "object graph"
             ],
-            "time": "2019-08-09T12:45:53+00:00"
+            "time": "2019-12-15T19:12:40+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -364,33 +364,33 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "1.9.0",
+            "version": "1.10.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203"
+                "reference": "d638ebbb58daba25a6a0dc7969e1358a0e3c6682"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/f6811d96d97bdf400077a0cc100ae56aa32b9203",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/d638ebbb58daba25a6a0dc7969e1358a0e3c6682",
-                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203",
+                "reference": "d638ebbb58daba25a6a0dc7969e1358a0e3c6682",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
                 "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0|^5.0",
-                "sebastian/comparator": "^1.1|^2.0|^3.0",
+                "sebastian/comparator": "^1.2.3|^2.0|^3.0",
                 "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
-                "phpspec/phpspec": "^2.5|^3.2",
+                "phpspec/phpspec": "^2.5 || ^3.2",
                 "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.8.x-dev"
+                    "dev-master": "1.10.x-dev"
                 }
             },
             "autoload": {
@@ -423,7 +423,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2019-10-03T11:07:50+00:00"
+            "time": "2019-12-17T16:54:23+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",