Make sure to replace  , and make sure _cleanData in tvdbapi is operating...

Make sure to replace  , and make sure _cleanData in tvdbapi is operating on a string! It was trying to replace chars in a datetime object that was not formatted to string yet.
Fixes SiCKRAGETV/sickrage-issues/issues/3078

lib/tvdb_api/tvdb_api.py

@@ -617,12 +617,12 @@ class Tvdb:
                 zipdata = StringIO.StringIO()
                 zipdata.write(resp.content)
                 myzipfile = zipfile.ZipFile(zipdata)
-                return xmltodict.parse(myzipfile.read('%s.xml' % language), postprocessor=process)
+                return xmltodict.parse(myzipfile.read('%s.xml' % language).replace(' ',' '), postprocessor=process)
             except zipfile.BadZipfile:
                 raise tvdb_error("Bad zip file received from thetvdb.com, could not read it")
         else:
             try:
-                return xmltodict.parse(resp.content.decode('utf-8'), postprocessor=process)
+                return xmltodict.parse(resp.content.decode('utf-8').replace(' ',' '), postprocessor=process)
             except:
                 return dict([(u'data', None)])
 
@@ -671,7 +671,8 @@ class Tvdb:
         - Replaces & with &
         - Trailing whitespace
         """
-        data = data.replace(u"&", u"&")
+
+        data = unicode(data).replace(u"&", u"&")
         data = data.strip()
         return data