Updates credo and dialyzer #21

Annotations

10 warnings

HashDict.to_list/1 is deprecated. Use maps and the Map module instead

unexpected beginning of EEx tag "<%=" on "<%= line.coverage > 0 && line.coverage != nil -> %>", please remove "="

unexpected beginning of EEx tag "<%=" on "<%= 0 == line.coverage -> %>", please remove "="

unexpected beginning of EEx tag "<%=" on "<%= true -> %>", please remove "="

String.to_char_list/1 is deprecated. Use String.to_charlist/1 instead

System.cwd/0 is deprecated. Use File.cwd/0 instead

:cover.analyse/3 is undefined (module :cover is not available or is yet to be defined)

:cover.compile_beam_directory/1 is undefined (module :cover is not available or is yet to be defined)

:cover.modules/0 is undefined (module :cover is not available or is yet to be defined)

:cover.start/0 is undefined (module :cover is not available or is yet to be defined)