Fixes #98 - Corrected test code and data

- Added 2 error assertions, as 2 should be returned.

- Corrected comments in test

- Line-wrapped comments to 80 cols

- Corrected test data so that it no longer returns a WEBVTT_INVALID_CUESETTING
  but instead returns WEBVTT_UNEXPECTED_WHITESPACE and
  WEBVTT_MISSING_CUESETTING_DELIMITER
Fixes #98 - Removed unneeded `const Error &err`

Removed unused variable
Fixes #98 - Wrapped comment lines to 80 columns
Fixes #98 - Got the spacing a bit off last time, fixed.
Merge pull request #98 from caitp/issue-98

CueSettingSize.NoDelimiter -- Incorrect assertions, bad test data