Changes in version 0.3.5 (2020-07-17)                  

  - add filename check

                 Changes in version 0.3.4 (2018-11-13)                  

  - new feature global.vars.field in parse.extra replacing global vars
    in configuration

                 Changes in version 0.3.3 (2018-06-22)                  

  - new function str2config to parse configuration string to R list
    object.
  - new function config.help to access external help resources, such as
    wiki, github, stackoverflow, etc.

                Changes in version 0.3.2.1 (2018-02-26)                 

  - Support to write and convert json/ini/yaml to TOML format (Require
    python and python toml package).