list library is not work good

[mohyeganeh]

hi, thank you for this library.
i handle an mqtt poject with stm32f4 in keil IDE, in my project function for list is not work good. when i added a topic with subsribe function, all things is good and receive message from broker, but when reconnect by yeild thread, my list is empty from any topic and subscribe function not work.

[mohyeganeh]

this problem for gsm library tcpip receive, add recv char by byte and solve this problem.