check if origin->segments is NULL, Avoid crashes
now tcpreassembly.c(h) supports NTOH_SENT_BY_CLIENT & NTOH_SENT_BY_SERVER to user_callback
add static lib
support (dis)enable check_timeout
add mysql support
remove mysql support
不检测nowindow
Merge branch 'master' of https://github.com/di3online/libntoh
添加新的状态NTOH_REASON_XXX
添加enable_check_nowindow
Merge pull request #6 from di3online/master

check if origin->segments is NULL, Avoid crashes