[JSON]
- made compatible with JSON::XS 2.2
- changed pod section totally.
[JSON::PP] 2.20001
- made compatible witg JSON::XS 2.2
- lifted the log2 rounding restriction of max_depth and max_size.
- incremental json parsing (EXPERIMENTAL).
- allow_unknown/get_allow_unknown methods.
- lifted the log2 rounding restriction of max_depth and max_size.
- the version format was changed.
X.YYZZZ => X.YY is the same as JSON::XS. ZZZ is the PP own version.
- changed pod section totally.