fixing img files with spaces

mmdc_modules.py

@@ -55,7 +55,7 @@ def mw_page_imgsurl(site, page, thumb):
     imgs = page.images()
     imgs = list(imgs)    
     imgs_dict = { img.name:(img.imageinfo)['url'] for img in imgs if  (img.imageinfo)['url'] != thumb } # exclude thumb 
-    imgs_dict = { key.capitalize():value for key, value in imgs_dict.items()}
+    imgs_dict = { (key.capitalize()).replace(' ','_'):value for key, value in imgs_dict.items()}
     # capilatize image name, so it can be called later
     return imgs_dict