html.c: int getNodeText() -> void getNodeText()
html.c: check ptr before freeing
html.h: reorder

sncf.c: added sncf_find_next_results()
sncf.c: sncf_pare_pricesummary(): add table iterator code

main.c: cleanup / refactoring

curl_http.c: use debug() iso log_info() for dbg msgs