make create index handle more variations of versions

Author: sile16

rest_extract/create_spec_index.py

@@ -39,9 +39,11 @@ def main():
             item['model'] = model
             item['version'] = version
             version_split = item["version"].split('.')
-            if version_split[1] == 'X':
-                version_split[1] = 99
 
+            # if version_split[1] is not numeric, set it to 99
+            if not version_split[1].isdigit():
+                version_split[1] = 99
+                
             item['version_sort'] = priority + int(version_split[0])*100 + int(version_split[1])
             item['filename'] = file_name
             item['url'] = 'specs/'+file_name