Makefile changed to match the library

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Added compare functions for the test files and changed API to reflect changes

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Fixed the compare function for char ptr*[]

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Fixed bubble sort :)

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Added insertion sort + tests

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>