Changelog:
========
Make float and int hashable.
Allow users to specify encoders for custom types.
Fix the incorrect sort when building a table with dotted keys.
Complete the methods required for integer and float items.
Replace the deprecated usage of datetime.utcnow().
Minor performance improvements when iterating over the escape sequences.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
