Development

- Renamed Uri class to Url.
- Renamed setUri and getUri to setUrl and getUrl.
- Added custom Exceptions and ensured that router only throws HttpExceptions.
- Added isAjax method to Request class.
- Added better phpDocs.
- Other minor optimisations.

src/Pecee/Exceptions/InvalidArgumentException.php

@@ -0,0 +1,6 @@
+<?php
+namespace Pecee\Exceptions;
+
+class InvalidArgumentException extends \InvalidArgumentException {
+
+}