Create model classes
Add default titles for chapters, stories, and series
Add protobuf for serializing models
Clean up window tests
Add tests for serialization/deserialization of models
Create a factory method for use by testing environment that doesn't persist data between executions
Change new file button to new chapter button
Create tests for new chapter button/menu item
Add method to insert into stories/series
Add default series text
Implement new chapter button/menu item
Stop checking tab pane visibility; seems to have problems with testing, although the behavior is correct. May be an issue with the actual window being visible vs. not (automated testing)
Create text processing classes
Test bbcode conversion
Add HtmlAgilityPack for Html parsing
Implement html to bbcode conversion
Begin tests for html to rtf conversion
Make processor static
Create rtf processor
Rename IHtmlFormatter to better reflect its usage