Merge pull request #4 from slifty/master

Support for subsections
fixed bug where paragraphs were not going into the correct section
Merge remote-tracking branch 'upstream/master'
Merge pull request #5 from joannaskao/master

fixed bug where paragraphs were not going into the correct section
header styles for h3 and h4
Merge pull request #6 from joannaskao/master

header styles for h3 and h4
fixed case error with csv