pxmake 0.9.1

New features

• Add make_template to create a minimial multilingual metadata template. (#186)
• Add micromake to create many small px-files from a large data set. See
  vignette(micromake). (#176)
• Support keyword VALUENOTE (#187)

Bug fixes and minor improvements

• Add import of pipe. (Reverses commit #d59866c)
• Add vignette about creating px file and multilingual px file.
• Fix edge case in list mergeing.
• Use latin1 to default encoding, but add CODEPAGE=utf-8.
• Set maximum column width in Excel.
• Add create_data argument to metamake that can supress generation of data.