Removed unnecessary iterator copy in input::getc()
Add parse_array_stop(), necessary for determining array length in mysql_json.
Merge pull request #21 from teliseo/teliseo.array_len

Add parse_array_stop(), necessary for determining array length in mysql_json
Merge pull request #17 from TolonUK/master

Removed unnecessary iterator copy in input::getc()
add non-const versions of get(size_t) / get(const std::string&) (cherry-picked from 002a2dd by ptarabbia)
implement prettifying output mode
Merged kazuho's branch