1.0.4 - Small fixes

What's Changed

• This is C++! by @CelliesProjects in #64
• Update library.json by @CelliesProjects in #65
• Update README.md by @CelliesProjects in #66
• Fix codacy warnings by @CelliesProjects in #67
• Fix codacy unused class member by @CelliesProjects in #70
• Bump version to 1.0.4 by @CelliesProjects in #71

Full Changelog: 1.0.3...1.0.4