Hi! Your plugin IS THE BEST. But starting from v1.5 I encoutered a couple of little issues:
1. errors (sadly don't remember what errors) after updating the activated plugin. Deactivated and the reactivated and then worked.
2. this is more important: this morning suddenly I could't login to admin anymore (keeps hanging a blank page). It happens after I made a few really simple experiments on url rewriting wp API, don't know if it's related. Anyway, commented out all my code, but still the issue was there. Then renamed the plugin folder to manually deactivate all and I could login. Then started to activate plugins (really few) one by one and found it was polylang causing the issue. Switched to v1.4 and problems are gone. So It's something related to v1.5
Sorry can't give more help. Hope it's usefull anyway
Thank you