Add a craft.request.getPageNum() function to Craft

HttpRequestVariable.php.diff

diff --git Source/craft/app/variables/HttpRequestVariable.php Source/craft/app/variables/HttpRequestVariable.php
index fad31b7edab84f5c428e3ce2c3b3ec6e8d92e7ef..430e1adcdf801cccabaf67c89001465c8835fba7 100644
--- Source/craft/app/variables/HttpRequestVariable.php
+++ Source/craft/app/variables/HttpRequestVariable.php
@@ -201,4 +201,14 @@ class HttpRequestVariable
 	{
 		return craft()->request->isMobileBrowser($detectTablets);
 	}
+
+	/**
+	 * Returns the page number if this is a paginated request.
+	 * 
+	 * @return int
+	 */
+	public function getPageNum()
+	{
+		return craft()->request->getPageNum();
+	}
 }