More functions on basic and primitif object
*Array prototype:
var lArray = ["hello", "hello", 1, 2, 3, "Thank", 2];
lArray.pushIfNotPresent(1);
-> lArray -> ["hello", "hello", 1, 2, 3, "Thank", 2];
lArray.pushIfNotPresent(10);
-> lArray -> ["hello", "hello", 1, 2, 3, "Thank", 2, 10];
lArray.hasValue(5)
-> false
lArray.countOf("hello")
-> 2
lArray.removeDuplicatedValues()
-> lArray -> ["hello", 1, 2, 3, "Thank", 10];