Fix some storynames breaking

The kore filter would filter out some story names that had special
characters like ',*, or ), allow them in the regex match.

conf/smr.conf

@@ -17,7 +17,7 @@ http_body_max 8388608
 tls_dhparam	dh2048.pem
 
 validator v_any regex [\s\S]*
-validator v_storyid regex [a-zA-Z0-9]+
+validator v_storyid regex [a-zA-Z0-9$+!*'(),-]+
 validator v_subdomain regex [a-z0-9]{1,30}
 validator v_markup regex (plain|imageboard)
 validator v_bool regex (0|1)