pxmake 0.10.1

New features

• Change all modifying functions to also be getters, so e.g. stub(x) returns
  current STUB variables.
• pxsave() automatically adds values if they aren't defined in codelists2.
• Add argument save_data to pxsave() to supress saving of 'Data' sheet in
  Excel. (#204)
• Add arugment data_path to pxsave() to save data table as an .rds file. (#204)
• Add micromake arguments to control keywords for invidual tables. (#239)
• Add possibility for micromake to control output filenames. (#242)
• Add new modifying functions: last_updated(), next_update(), language(),
  languages(), valuenote(), valuenotex(), contents(), description(),
  subject_area(), subject_code(), title(), units(), aggregallowed(),
  autopen(), axis_version(), codepage(), confidential(), copyright(),
  showdecimals(), tableid(), update-frequency(), contact(), link(),
  note(), notex(), infofile().

Bug fixes and minor improvements

• Throw error if trying to remove mandatory keyword. (#208)
• Validate px after using modifying functions.
• validate_px checks that keywords in table1 and table2 are in the right table.
• Check that arguments to micromake are valid.
• Sort data before creating codelist from data frame. (#197)
• Add priority and complexity to list of unimplemented keywords.
• Add check if keywords are in correct table.
• Remove 'micro' prefix from filenames created by micromake().
• Use documentation functions for table1 and table2 functions, so they are
  and very easy to change.
• Add test coverage badge to README.md.
• Check that all defined variable-codes are in data.
• Add check that data columns are defined.
• In micromake() used preserve HEADING variables, and produces px files for
  all other variables.
• Bugfix: heading(), stub() and figures() no longer modify order of
  other variables. (#225)
• Remove duplication in documentaiton of pivot modifying functions.
• Bugfix: last_updated() created wrong keyword (#233)
• Remove 'micro' prefix from filenames created by micromake().
• Bugfix: wrong error message (#243)
• Bugfix: last_updated() modified wrong table.
• Bugfix: Remove NA values when creating px file (#205).
• Bugfix: px(input) can be a path to an .rds file.