Renames ParagraphFitter.split to ParagraphFitter.fitToWidth
Renames findSpace and findLineEnd for clarity, begins Bonus implementation of avoiding a single trailing word.
Adds reminder comment to handle input errors
Cleans up main function call by creating variables first
Further isolates DOM selectors, and pulls them into the onload function
Simplifies reporting function. Not getting reliable inch calculations yet, possibly due to Retina Display.
Gets SingleTrailingWord function to work. Bonus Unlocked! No lonely last words.
Fixes Reporting and the Chars-per-Line error it revealed.

* Gets more relevant logs to print -- actual paragraph width, actual division results for paragraph / char widths.
* Fixes error where lineEndIndex - 1 makes for a line that is actually too short by a character. (old logic)
Removes inches selector and moves header/inches reporting to console instead of HTML page
Finds CSS pixel measurement for character-height that translates to correct char width in inches