Changes

Replaced the CSRF implementation, removed the key parameter and replaced with it randomly generated string stored in cookie.
Sessions now use the lapis.encoding module to encode an decode. Session loading error messages have changed to include the error from encode_with_secret and decode_with_secret
Remove all support for luacrypto, luaossl is required

Additions

Add support for chaning HMAC function, add sha256 HMAC config option
Support parsing cookies when there are multiple cookie headers
Add enum type fro MySQL
Add support for encoding NULL and empty arrays for to_json and JSON render
Add config template for cqueues/lua-http support
Request object for cqueues/lua-http contains all the same fields as OpenResty counterpart
Performance object is available for cqueues/lua-http
Environment name is shown on server start log
Add bind_host config option to set which interface cqueues/lua-http binds to, defaults to 0.0.0.0

Fix issue with MySQL migrations where query result was not being converted to number
Fix a crash when request args could not be parsed
Fix a crash when the query parameter type changes when being parsed (between table and literal)
json_params works with cqueues/lua-http
cqeueus/lua-http test server now works correctly, is now part of CI
cqeueus/lua-http will no longer get stuck in infinite loop when port is already taken
cqeueus/lua-http will only ready & parse body for form encoded content type
Terminal output buffering is disabled for cqeueus/lua-http so service files can read logs from stdout/stderr