* [Error] set this->other_handler when set_error_handler success
* [Curl] add curl_setopt hook api, easy rewrite option value by [CURLOPT_XXX]_rewrite function
* [config] remove dir suffix '/'
* [MiCurl] just a CURLOPT_POSTFIELDS_rewrite function for xiaomi X5 protocol
Merge branch 'master' of https://github.com/hemon/phpio

Conflicts:
	library/PHPIO/Hook/Curl.php
	library/PHPIO/Hook/MiCurl.php