Handle case of non-exisiting issue string

git-svn-id: http://comictagger.googlecode.com/svn/trunk@316 6c5673fe-1810-88d6-992b-cd32ca31540c

comicvinetalker.py

@@ -183,7 +183,9 @@ class ComicVineTalker(QObject):
 		volume_results = self.fetchVolumeData( series_id )
 	
 		found = False
-		for record in volume_results['issues']: 
+		for record in volume_results['issues']:
+			if IssueString(issue_number).asFloat() is None:
+				issue_number = 1
 			if float(record['issue_number']) == float(issue_number):
 				found = True
 				break

issuestring.py

@@ -33,6 +33,12 @@ import re
 
 class IssueString:
 	def __init__(self, text):
+	
+		if text is None:
+			self.num = None
+			self.suffix = ""
+			return
+			
 		self.text = str(text)
 		#strip out non float-y stuff
 		tmp_num_str = re.sub('[^0-9.-]',"", self.text )