Unicode fix: Support >16-bit Unicode sequences. Parsing for UTF16 surrogate
pairs, and generation of UTF8 4-byte sequences.
Merge pull request #44 from Wilm0r/master

Unicode fix: Support >16-bit Unicode sequences.
Update AUTHORS
Implement source tracking (line/column numbers in json_value)
Merge branch 'master' of https://github.com/udp/json-parser into source-tracking
Allow the application to extend json_value with a value_extra setting
Update AUTHORS (closes #42)
Merge branch 'source-tracking'
Un-ambiguate pow call in the case of C++ overloaded pow
Update AUTHORS (closes #24)