v0.3.0

Changes since v0.2.0:
- remove print for debugging purposes
- print error message if input file contains an odd number of players
- fix: delete 'return str.len;' in lengthFloat()
- update to Zig 0.9.0
- add newline to print
- print error message if no file argument is given
- don't print 'usage' in case of error
- print command suggestions if an unknown command is given

v0.2.0

Changes since v0.1.0:
- if (filename == "-") read from stdin
- add --include --exclude options

v0.1.0

first release