[FEATURE] Added Input classes from pecee-framework.

- Updated documentation to reflect new changes.

src/Pecee/Http/Input/InputItem.php

@@ -0,0 +1,53 @@
+<?php
+namespace Pecee\Http\Input;
+
+class InputItem {
+
+    protected $index;
+    protected $name;
+    protected $value;
+
+    public function __construct($index, $value) {
+        $this->index = $index;
+        $this->value = $value;
+
+        // Make the name human friendly, by replace _ with space
+        $this->name = ucfirst(str_replace('_', ' ', $this->index));
+    }
+
+    /**
+     * @return array
+     */
+    public function getName() {
+        return $this->name;
+    }
+
+    /**
+     * @return array
+     */
+    public function getValue() {
+        return $this->value;
+    }
+
+    /**
+     * @return string
+     */
+    public function getIndex() {
+        return $this->index;
+    }
+
+    /**
+     * Set input name
+     * @param string $name
+     * @return static $this
+     */
+    public function setName($name) {
+        $this->name = $name;
+        return $this;
+    }
+
+    public function __toString() {
+        return (string)$this->getValue();
+    }
+
+}