Tested below functionality, all ok:
* adding patients
* deleting patients
* deleting all patients
* adding a patient to a newly deleted list
Test commit, to revert back with next.
Revert "Test commit, to revert back with next."

This reverts commit 10a16f315bb54038ed6eb87398ded0f3aff86896.
Removed method to find+delete patient by name
Added method to count list iteratively.
Added method to count patients recursively