Upgrades for pandoc 2.0

- Fixes #7
- Instead of using css/epub_stylesheet rely on the default epub.css
  and set the data-dir to the current directory

methods.rb

@@ -41,7 +41,7 @@ def gen_epub(name, format)
       to 'epub'
       epub_metadata "metadata/#{name}.xml"
       epub_cover_image "covers/#{name}.jpg"
-      epub_stylesheet "style.css"
+      data_dir Dir.pwd
       output "books/#{name}.epub"
     end.convert File.read("books/#{name}.html")
     puts '[epub] Generated EPUB file'
@@ -64,7 +64,7 @@ def gen_pdf(name, format)
   if commands?(%w[pandoc convert wkhtmltopdf pdftk]) && format_match(format, :pdf)
     # Generate PDF as well
     # First, lets make a better css version of the html
-    `pandoc books/#{name}.html -s -c ../style.css  -o books/#{name}_pdf.html`
+    `pandoc books/#{name}.html -s -c ../epub.css  -o books/#{name}_pdf.html`
     puts '[pdf] Generated html for pdf'
 
     # Print the pdf_html file to pdf

oathbringer.rb

@@ -21,7 +21,8 @@ loop do
   month = links.last.split('/').first
   day = links.last.split('/')[1]
   next_date = Date.new(2017, month.to_i, day.to_i) + 7
-  links << "#{next_date.strftime('%m')}/#{next_date.strftime('%d')}/oathbringer-by-brandon-sanderson-chapters-#{chapter}-#{chapter + 2}/"
+  ending_chapter = [chapter+2, 32].min
+  links << "#{next_date.strftime('%m')}/#{next_date.strftime('%d')}/oathbringer-by-brandon-sanderson-chapters-#{chapter}-#{ending_chapter}/"
   chapter += 3
   break if next_date + 7 > Date.today
 end