Weave.jl: Weave v0.1.1

Change pandoc output to use inline images if there is no caption. Use Documenter.jl for documentation. Add chunk option hold, replaces results = "hold". This way you can use e.g. hold = true, results=raw. Methods for setting and restoring default chunk options for documents. New output options md2pdf and md2html, both use pandoc to output pdf and html files directly with own templates. Restored and improved Winston support. New input format: scripts with markup in comments New output format: MultiMarkdown Added support for figure width in Pandoc Autodetect input and output formats based on filename Allow out_path be a file or directory