Fix CRLF Windows line break incorrect character count

[alexisbcc]

Line breaks in Windows Style now count as 2 characters. A new selector was added to select the line break style.

Changes:

• Add new parameter to select line break style
• Add tests to cover the new parameter

[alexisbcc]

Will not implement, web pages don't have the ability to use the original user input line-breaks, in other words, it's not possible to termine the original libre-break type that the user inserted in the text area. https://stackoverflow.com/questions/14217101/what-character-represents-a-new-line-in-a-text-area