Explicit int declaration is better
Replace \r\n with \n. Probably some fix was done under Windows.
fgets() returns a pointer, not an int
Explicitly return 0 on success
Git doesn't keep empty directories; breaks autoreconf
doc/example.txt is in bad taste and not useful; removing
Add -v to audiosum to aid help2man usage.
Add -v to audiodup to aid help2man usage
Push version to 0.3