Add link to problem statement.
Merge branch 'word-counter'
Use hashes for a nicer interface.
Sort output in method.
Store sentences in the object.
Add a README.
Make main script executable.
It works, but it's ugly. Time to refactor.
Reorganize back to class method.
Reorganize code and record sentence numbers.
Ignore multiple delimiters and punctuation.
Get unique words without regard to case.
Add an .rvmrc file.
Initial commit: add original problem statement.