disabled frontmatter
increased version
switched to new flexbox model, added extra two tests
make book.css optional
allow page size through JS
allow changing page size after initialiation
enforce 80 char rule
make page numbers optional
expand on description of config options and methods
changed format of multi line comments
moved css to pagination
moved css to pagination in book.css
80 char rule
standarduze config options
reenable empty pages
readded @page rule
make auto-generated styles easier to read by removing empty nodes and using \n between declarations
updated change log
prefix flow names
length unit of measurements configurable