USER FEATURE REQUESTS :
-----------------------
- 


FEATURES :

* use 'getline' (GNU extension) instead of 'fgets'
* don't set the same name on the structures as the defined type
* use 'backtrace()' on SIGSEV on GNU/Linux
* use sizeof(* pointer) instead of sizeof(struct pointer_struct)

* use 'substr' to copy a substring :
char *substr(char *dst, const char *src, size_t len)
{
  sprintf(dst, "%.*s", len, src);
  return dst;
}

* do proxy
* warning before overwriting files

