Merge pull request #2 from JeroenMathon/Development

Development
Merge pull request #3 from JeroenMathon/Development

Removed project files
Merge pull request #4 from JeroenMathon/Development

Added cmake and installer
Added subtraction class
Merge branch 'master' of https://github.com/JeroenMathon/Arithmetic-Helper into Development
Added missing files
Fixed subtraction issue
Merge branch 'Testing' into Development

Conflicts:
	src/CMakeLists.txt
	src/add_sub.cpp
	src/menu.cpp