[core] fix field detection for escaped % and { format styles - #75

[core] fix field detection for escaped % and { format styles#75

dylanpulver wants to merge 3 commits into

nhairs:mainnhairs/python-json-logger:mainfrom

dylanpulver:fix-parse-style-escapesdylanpulver/python-json-logger:fix-parse-style-escapesCopy head branch name to clipboard