| ⇢ | A | InvalidBookException added | |
| ⇢ | A | BookValidator added | |
| ⇢ | A | BibleBook added |
| ⇢ | A | BibleBook::translateAbbreviation() added | |
| ⇢ | A | InvalidBookException::invalidBook() added | |
| ⇢ | A | BookValidator::validate() added | |
| ⇢ | A | BibleBook::__construct() added | |
| ⇢ | A | BibleBook::name() added | |
| ⇢ | A | BibleBook::abbreviation() added |