put coverage report into a subdir

implement decoder for utf16 surrogate pairs in unescape_string

replace cx_strtou32_lc_ with cx_strtou32_lc in json.c

fix incorrect str length comparision in unescape_string

(0) -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 tip

mercurial