Added support for multiple values for the same property
Added support for multiple values for the same property

tijsverkoyen/CssToInlineStyles,webbab/CssToInlineStyles,webbab/CssToInlineStyles,webbab/CssToInlineStyles,stof/CssToInlineStyles,stof/CssToInlineStyles,barryvdh/CssToInlineStyles,tijsverkoyen/CssToInlineStyles