resolves #158 preprocess theme data to properly support hex colors
resolves #158 preprocess theme data to properly support hex colors

before passing theme data to YAML.load:

- remove leading # from hex colors
- quote hex colors

abatalev/asciidoctor-pdf,theimdal/asciidoctor-pdf,mojavelinux/asciidoctor-pdf,asciidoctor/asciidoctor-pdf,hmflash/asciidoctor-pdf,Hextremist/asciidoctor-pdf,DavidGamba/asciidoctor-pdf,dsisnero/asciidoctor-pdf,theimdal/asciidoctor-pdf,abatalev/asciidoctor-pdf,Hextremist/asciidoctor-pdf,mojavelinux/asciidoctor-pdf,DavidGamba/asciidoctor-pdf,hmflash/asciidoctor-pdf,asciidoctor/asciidoctor-pdf,dsisnero/asciidoctor-pdf