Changes in version 0.3.0 (2019-01-09)                  

  - Added ability to split pdf into sentences for keyword searching.
      - This option also available for directory searching.
      - Also for heading search.
  - Stab at better spliting of pdfs.
  - Added file_pattern argument to allow for regular expression
    filtering of files when running keyword_directory.
  - Adding split_pattern to allow users to specify their own regular
    expression to split multiple column files.
  - Added JOSS badge and citation information

                        Changes in version 0.2.2                        

  - JOSS Acceptance!

                        Changes in version 0.2.0                        

  - Added remove_hyphen argument to remove hyphen from words that wrap
    onto two subsequent lines
  - Added convert_tokens function which uses the tokenizers R package to
    convert text to tokens.
  - Created vignette with expanded details
  - Created JOSS paper for submission
  - Created code of conduct and contributing policies.

                 Changes in version 0.1.1 (2016-12-16)                  

  - Added additional examples of usage to documentation.
  - Inclusion of header search output, if desired, to output from
    keyword_search function.
  - Version submitted to CRAN

                        Changes in version 0.1.0                        

  - Initial Release