0.15.1

• html.css.colours has been renamed html.css.colors
• Fixed issue with table of contents page numbers in PDF output
• Fixed issue with invalid XHTML in EPUB when using description terms
• Fixed left/right margins in LaTeX (which were reversed)
• LaTeX outputs of french documents now use enspaces and narrow non-breaking spaces
• New option:
  • tex:escape_nb_spaces defaults to true and will uses TeX codes to display non-breaking spaces.