Implemented enhancements:
- Changed framework methods to be "more Swift(y)"
- Added groups
- Added dynamic shapes for group background
- Added column with automatic wrapping (Issue #113)
- Added document wide text styles (Issue #57)
- Added automatic table of content based on text styles (Issue #58)
Fixed bugs:
- Fixed line separator in header and footer (Issue #88)
- Fixed image in footer layout calcuations (Issue #132)
Closed issues: