Version 0.13.0

• Support table cell spacing in DOCX to HTML converter
• Preserve table left indentation correctly in DOCX to HTML converter
• Fix issues with margins and borders, and improve overall tables logic in DOCX to RTF/HTML converter
• Support paragraph borders spacing (distance from text) in DOCX to HTML converter
• Recognize and convert color names (e.g. "red") in DOCX to RTF/HTML converter
• Stream support for binary converters (DOC to DOCX, XLS to XLSX, PPT to PPTX)
• Fix issue with line spacing in DOC to DOCX and DOCX to HTML conversion
• Fix issues with table left indentation in DOCX to RTF converter
• Other bug fixes