v1 size is: 10
v1 = 0 3 6 9 12 15 18 21 24 27

v1 size is: 18
v1 = 400 350 300 250 200 150 100 50 0 3 6 9 12 15 18 21 24 27

v1 size is: 17
v1 = 400 350 300 250 200 150 100 50 0 3 6 9 12 15 18 21 24

v1 size is: 16
v1 = 400 350 300 250 200 150 100 50 0 3 6 9 12 15 18 21

v1 size is: 15
v1 = 350 300 250 200 150 100 50 0 3 6 9 12 15 18 21

v1 size is: 14
v1 = 300 250 200 150 100 50 0 3 6 9 12 15 18 21

Testing some inserts with an iterator

v1 size is: 17
v1 = 999 300 888 250 200 777 150 100 50 0 3 6 9 12 15 18 21

Testing some removes (with iterator)

v1 size is: 16
v1 = 999 300 888 250 200 777 150 50 0 3 6 9 12 15 18 21

v1 size is: 15
v1 = 999 300 250 200 777 150 50 0 3 6 9 12 15 18 21

Building a new list
v2 size is: 10
v2 = 1 4 7 10 13 16 19 22 25 28

Testing operator+ overload
v3 size is: 22
v3 = 999 300 250 200 777 150 50 0 3 6 9 12 15 18 21 100 100 100 100 100 100 100

v4 size is: 25
v4 = 1 4 7 10 13 16 19 22 25 28 999 300 250 200 777 150 50 0 3 6 9 12 15 18 21

Testing a call to the 2-param delete
itr1 is attached to: 7
itr2 is attached to: 25
Calling:  v4.Remove(itr1, itr2);
v4 size is: 19
v4 = 1 4 25 28 999 300 250 200 777 150 50 0 3 6 9 12 15 18 21