Add pear modules, mail and net_smtp via composer (#93)

Add pear modules, mail and net_smtp via composer, remove php 5.6 build due to phpunit 6

lib/composer/vendor/theseer/tokenizer/src/Token.php

@@ -0,0 +1,55 @@
+<?php declare(strict_types = 1);
+namespace TheSeer\Tokenizer;
+
+class Token {
+
+    /**
+     * @var int
+     */
+    private $line;
+
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var string
+     */
+    private $value;
+
+    /**
+     * Token constructor.
+     *
+     * @param int    $line
+     * @param string $name
+     * @param string $value
+     */
+    public function __construct(int $line, string $name, string $value) {
+        $this->line  = $line;
+        $this->name  = $name;
+        $this->value = $value;
+    }
+
+    /**
+     * @return int
+     */
+    public function getLine(): int {
+        return $this->line;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName(): string {
+        return $this->name;
+    }
+
+    /**
+     * @return string
+     */
+    public function getValue(): string {
+        return $this->value;
+    }
+
+}