* add horizontal indent in first line of paragraph in case Extra Paragraph Spacing is OFF
* Treat tabs as whitespace (so they are properly stripped)
* Changed size of indent to 1 em.
* Fixed calculation of space when indenting (avoiding squeezed text).
* Source code formatting
* white sleep screen
* quicker pwr button
* no extra spacing between paragraphs
* Added settings class with de/serialization and whiteSleepScreen setting to control inverting the sleep screen
* Added Settings screen for real, made settings a global singleton
* Added setting for extra paragraph spacing.
* fixed typo
* Rework after feedback
* Fixed type from bool to uint8
* First pass at moving to SDK EInkDisplay library
* Add 2-bit grayscale text and anti-aliased rendering of text
* Render status bar for empty chapters
* Refresh screen every 15 pages to avoid ghosting
* Simplify boot and sleep screens
* Give FileSelectionScreen task more stack memory
* Move text around slightly on Boot and Sleep screens
* Re-use existing buffer and write to whole screen for 'partial update'
* Add expat and swap out ERB HTML parser
* Increase EpubHtmlParserSlim file buffer to 1024 bytes
* Cleanup TextBlock functions
* Do not break words when leaving spans
Jonas Diemer