For Version >= 1.0.3

  - Try to implement a more efficient strrstr function

  - int sprintf(char *str, const char *format, ...);
    ssprintf(char** buffer, const char* format, ...); /* not as complicated as sprintf

  - try to add a structure and functions like C++ std::map<char*, void*>

  - try to add functions that insert strings to a "safe string" at some position

  - try to add functions that replace a substring with another substring or by giving its position.

  - when functions like insertstring get a NULL string to be inserted, then return *buffer



For Version >= 0.0.2
  - change strsstr [BUG] [done v.0.0.2]
  - chnage manual pages [BUG] [done v.0.0.2]
