Add check for empty values for season and episode in api page

Changelog

@@ -1,3 +1,5 @@
+2016-07-13 DariusIII
+	* Chg: Add check for empty values for season and episode in api page
 2016-07-12 DariusIII
 	* Fix: Wrong usage of result.guid in Gentele theme viewmoviefull page
 	* Fix: Prevent undefined index notices in XML_Response

build/nntmux.xml

@@ -2,7 +2,7 @@
 <nntmux>
 	<versions>
 		<git>
-			<tag>0.0.0</tag>
+			<tag>v0.4.2</tag>
 			<!-- commit count removed -->
 			<hooks>
 				<precommit>9</precommit>

www/pages/api.php

@@ -156,7 +156,7 @@ switch ($function) {
 		];
 
 		// Process season only queries or Season and Episode/Airdate queries
-		if (isset($_GET['season']) || (isset($_GET['season']) && isset($_GET['ep']))) {
+		if (!empty($_GET['season']) || (!empty($_GET['season']) && !empty($_GET['ep']))) {
 			if (preg_match('#^(19|20)\d{2}$#', $_GET['season'], $year) && stripos($_GET['ep'], '/') !== false) {
 				$airdate = str_replace('/', '-', $year[0] . '-' . $_GET['ep']);
 			} else {