reporter v1.3.6

• Added option to write_report() to turn off logging if desired.
• Added "header_bold" parameter to create_table() to bold the header.
• Added "header" parameter to titles() to put the title in the page header.
• Added "footer" parameter to footnotes() to put the footnotes in the
  page footer.
• Fixed bug when trying to create blank rows on an invisible column.
• Fixed bug when trying to dedupe columns in stub.
• Added glue functionality to titles, footnotes, page header, page footer,
  and column labels.
• Added "columns" parameter on titles() function to allow the title
  block to have between 1 and 3 columns.
• Fixed some bugs on PDF borders.
• Updated logo.