rename tests.

Bump version number.

Merge pull request #5 from notpeter/linenumber_fix

r2018.7.12 Line number fix.

Merge pull request #4 from notpeter/broken_pipe_fix

BrokenPipeError fix

Merge pull request #3 from notpeter/hardwrap

Add support for hard wrapped files.

Error handling, returns codes, hints and filenames to stderr.

Streaming multi-file and mixed stdin support. Typing hints. (#2)

Regex segment_tag identification. Better handling of STS, B4, etc.

Indent fix.

2017.12.12 Add X12 and indentation support.