0.3.0
    * `SecureEnough.encode` no longer accepts a float for `time_now`; must either be `int` or `None`
    * dropped `ALLOW_LAX_INPUTS`
    * dropped `payload_only` from `signed_request_verify`
    * app_secret and obfuscation_secret MUST be bytes
    * dropped license classifier

0.2.0
    * drop py2 for typing
    * migrate docs from init.py to readme
    * added some new tests
    * this may not be backwards compatible as some default args and data types have changed
    * tests/supports: py37-312
    * test commit signing requirements

0.1.4
	* py3 improvements. attempts to handle b/str encodings

0.1.3
	* packaging fixes

0.1.2
	* packaging fixes

0.1.1
	- black
	* upgraded black; 20.8b1
	* integrated with pre-commit
	* tox
	* migrated from pycrypto to pycryptodome
		pycrypto no longer maintained, does not work under python38
		mostly a drop-in replacement; `key.size()` changed to `key.size_in_bytes()`

0.1.0
	- python3 support

0.0.6
	- added debug_hashtime method
	- added some debugging tools

0.0.5
	- small cleanup, audit

0.0.4
	- flake8

0.0.3
	- packaging fixes

0.0.2
	- added InvalidPayload
	- added shortcuts
	- added AES
	- added demo_performance
	- cleaned up demo
	- removed oaep.py ; replaced with newer cipher feature in 2.5

0.0.1
	initial release
