Sentence Boundary Detection (SBD).

Split text into sentences with a `vanilla` rule based approach (i.e working ~95% of the time).

• Split a text based on period, question- and exclamation marks.
• Skips (most) abbreviations (Mr., Mrs., PhD.)
• Skips numbers/currency
• Skips urls, websites, email addresses, phone nr.
• Counts ellipsis and ?! as single punctuation