Add + operator support for project file, project directory and string combinations#25

SimonCropp merged 3 commits into

mainSimonCropp/ProjectFiles:mainfrom

add-+-operator-support-for-ProjectFile,-ProjectDirectory-and-string-combinationsSimonCropp/ProjectFiles:add-+-operator-support-for-ProjectFile,-ProjectDirectory-and-string-combinationsCopy head branch name to clipboard