resolves #917 only make special section if style is specified
resolves #919 pass theme to Pygments when pygments-css=style
Merge pull request #918 from mojavelinux/issue-917

resolves #917 only make special section if style is specified
improve to_s output
coding style cleanup in gemspec
Merge pull request #920 from mojavelinux/issue-919

resolves #919 pass theme to Pygments when pygments-css=style
resolves #921 put source language class names on child code element of pre element
Merge pull request #922 from mojavelinux/issue-921

resolves #921 put source language class names on child code element of pre element
include all author names in author meta tag