* Fixed s_base_16_enc * started work on s_base_16_dec (have not figured out how why id is not working) * fixed reverse table size issue (127 -> 128 elements) * Added tests for Base 16 stuffs * added s_string_len * fixed? s_ustring_to_string * added (do not know if it is working?) s_string_to_ustring * commented out strdup * removed mainloop tests from the standard test suite, sholud be run seperatly anyway. * use libc for memory managment in the tests