Improve seppius-xbmc-repo#25 fix for serials

I noticed that seppius-xbmc-repo#25 wasn't fully fixed, serial's folders like 'Сезон 1', 'Сезон 2' etc cannot be opened.
This fix resolve this problem for sure...

plugin.video.fs.ua/default.py

@@ -698,7 +698,7 @@ def read_dir(params):
 
 
 def add_directory_item(linkItem, isFolder, playLink, playLinkClass, cover, folderUrl, folder, isMusic, quality = None, itemsCount = None):
-    folderRegexp = re.compile('(\d+|language[:\d]+|translation[:\d]+)')
+    folderRegexp = re.compile('(\d+|language[:\d]+|translation[:\d]+|season[:\d]+)')
     lang = None
     langRegexp = re.compile('\s*m\-(\w+)\s*')
     lang_data = langRegexp.findall(linkItem['class'])