ADD - Leader/Follower concurrency for a single thread
CHANGE - Tried to make it work with multiple threads
Merge branch 'master' of https://github.com/TIARDI/ARDI

Conflicts:
	Exercises/Exercise4-Connector/Exercise 4/Patient_Handler.cpp
Merge branch 'master' of https://github.com/TIARDI/ARDI
Merge branch 'master' of https://github.com/TIARDI/ARDI
Merge branch 'master' of https://github.com/TIARDI/ARDI