6.0.0

Breaking changes:

- Rename -delta-buffer to -match-buffer
- Rename -readjson to -read-json
- Rename -jsontemplate to -match-template
- Rename -start to -regex / -match-regex
- Rename -timeformat to -time-format
- Rename .JSONText to .MatchText
- Replace .StartText, .StartObject by .Start
- Literals (no "{{") given to -match / -match-template are automatically surrounded by {{}}

Additions:
- Add JSON stream parsing (one-object-per-line format no longer required)
- Add -match-condition
- Add -time-zone
- Add -scale-{sqr,cube,sqrt,cubert}
- Add Text and TimeColor preset templates

Internal:
- Refactor main to avoid duplicating logic between JSON/line input