[FEATURE] Added ExceptionHandling functionality + tests.

- Somehow the ExceptionHandling functionality never really get implemented and/or got lost in translation, it's back whup!
- Added some basic tests for Middleware + routing.

test/Dummy/DummyController.php

@@ -0,0 +1,9 @@
+<?php
+
+class DummyController {
+
+    public function start() {
+        echo static::class . '@' .'start() OK';
+    }
+
+}

test/Dummy/DummyMiddleware.php

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+<?php
+
+require_once 'Exceptions/MiddlewareLoadedException.php';
+
+use Pecee\Http\Middleware\IMiddleware;
+use Pecee\Http\Request;
+
+class DummyMiddleware implements IMiddleware {
+
+    public function handle(Request $request) {
+       throw new MiddlewareLoadedException('Middleware loaded!');
+    }
+
+}

test/Dummy/Exceptions/MiddlewareLoadedException.php

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+<?php
+class MiddlewareLoadedException extends \Exception {}

test/MiddlewareTest.php

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+<?php
+
+require_once 'Dummy/DummyMiddleware.php';
+require_once 'Dummy/DummyController.php';
+
+class MiddlewareTest extends PHPUnit_Framework_TestCase  {
+
+    public function __construct() {
+        // Initial setup
+        $_SERVER['HTTP_HOST'] = 'example.com';
+        $_SERVER['REQUEST_URI'] = '/my/test/url';
+        $_SERVER['REQUEST_METHOD'] = 'get';
+    }
+
+    public function testMiddlewareFound() {
+
+        \Pecee\Http\Request::getInstance()->setMethod('get');
+
+        $router = new \Pecee\SimpleRouter\RouterBase();
+
+        $route = new \Pecee\SimpleRouter\RouterRoute('/my/test/url', 'DummyController@start');
+        $route->setRequestMethods(array(\Pecee\SimpleRouter\RouterRoute::REQUEST_TYPE_GET));
+        $route->addSettings(['middleware' => 'DummyMiddleware']);
+        $router->addRoute($route);
+
+        try {
+            $router->routeRequest();
+        }catch(Exception $e) {
+            $this->assertTrue(($e instanceof MiddlewareLoadedException));
+            return;
+        }
+
+        throw new Exception('Middleware not loaded');
+
+    }
+
+
+
+}

test/RouterRouteTest.php

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+<?php
+
+require_once 'Dummy/DummyMiddleware.php';
+require_once 'Dummy/DummyController.php';
+
+class RouterRouteTest extends PHPUnit_Framework_TestCase  {
+
+    public function __construct() {
+        // Initial setup
+        $_SERVER['HTTP_HOST'] = 'example.com';
+        $_SERVER['REQUEST_URI'] = '/my/test/url';
+        $_SERVER['REQUEST_METHOD'] = 'get';
+    }
+
+    public function testGet() {
+        \Pecee\Http\Request::getInstance()->setMethod('get');
+
+        $router = new \Pecee\SimpleRouter\RouterBase();
+
+        $route = new \Pecee\SimpleRouter\RouterRoute('/my/test/url', 'DummyController@start');
+        $route->setRequestMethods(array(\Pecee\SimpleRouter\RouterRoute::REQUEST_TYPE_GET));
+
+        $router->addRoute($route);
+        $router->routeRequest();
+    }
+
+    public function testPost() {
+        \Pecee\Http\Request::getInstance()->setMethod('post');
+
+        $router = new \Pecee\SimpleRouter\RouterBase();
+
+        $route = new \Pecee\SimpleRouter\RouterRoute('/my/test/url', 'DummyController@start');
+
+        $route->addSettings(array());
+        $route->setRequestMethods(array(\Pecee\SimpleRouter\RouterRoute::REQUEST_TYPE_POST));
+
+        $router->addRoute($route);
+        $router->routeRequest();
+    }
+
+    public function testPut() {
+        \Pecee\Http\Request::getInstance()->setMethod('put');
+
+        $router = new \Pecee\SimpleRouter\RouterBase();
+
+        $route = new \Pecee\SimpleRouter\RouterRoute('/my/test/url', 'DummyController@start');
+        $route->addSettings(array());
+        $route->setRequestMethods(array(\Pecee\SimpleRouter\RouterRoute::REQUEST_TYPE_PUT));
+
+        $router->addRoute($route);
+        $router->routeRequest();
+
+    }
+
+    public function testDelete() {
+        \Pecee\Http\Request::getInstance()->setMethod('delete');
+
+        $router = new \Pecee\SimpleRouter\RouterBase();
+
+        $route = new \Pecee\SimpleRouter\RouterRoute('/my/test/url', 'DummyController@start');
+        $route->addSettings(array());
+        $route->setRequestMethods(array(\Pecee\SimpleRouter\RouterRoute::REQUEST_TYPE_DELETE));
+
+        $router->addRoute($route);
+        $router->routeRequest();
+
+    }
+
+    public function testMethodNotAllowed() {
+        \Pecee\Http\Request::getInstance()->setMethod('post');
+
+        \Pecee\SimpleRouter\SimpleRouter::get('/my/test/url', 'DummyController@start');
+
+        try {
+            \Pecee\SimpleRouter\SimpleRouter::start();
+        } catch(\Exception $e) {
+            $this->assertEquals(403, $e->getCode());
+        }
+
+    }
+
+}