Remove hardcoded data dependency from acrostic test so it doesn't randomly fail if data file is modified.
Replace hardcoded data with a regex match check in the delimiter test.
Python3 compatibility fix in commandline_count.
.count() doesn't work with strings in it, likely because strings
are unicode by default. Explicit b"" byte string argument works.
Merge branch 'dmbaturin-unit-test-enhancements'