Add save matches to separate files, start/end line numbers (#33)

* Add start/end line

* Add save matches to separate files

Update CI and deps (#32)

Add pass and skip from CSV (#30)

Shutdown gracefully (#29)

Refactor pass/skip (#28)

Add -final-pass (#27)

Sort file names before playing (#26)

Add line counting mode, add rate limit, add static build (#25)

Disable output buffering for STDIN -> STDOUT (#24)

Read STDIN in catp, optimize PrepareLine (#23)