Clean up whitespace
Ignore test file
Inject made-up syntax for rowlines
Add fixture file structure to tests
Add some convoluted method to support hline and hdashline
Add array test suite
Turn off debugging
Add some comments for documentation on string methods
Redo `substring` method

Previously, this was causing some occasional errors in the parsing, due
to some naive assumptions.
Update join method
Update insert_substring method with better var names
Trash debug statement
Move `write_to_test_file` to helper
Add `array_pos_alignment_with_hline` test
Update README
Update README
Split parse methods out into separate files
Don't really need these updated dates
Update the README
Support the generation of column separators