Added union find algo based on Sedgewick book Vol 1
A basic stack implementation
including push and pop
updates on stack implementation
Fixed a bug where strings are not allocated memory when
being pushed onto the stack.
Use strdup in push
Creation
Did enqueue()
Partial check in
First working version!
Fixed another array pointer wrapped around bug
Now it seems to work for fix sized array.
added todo list
First version of selection sort!
Test minor changes
Merge branch 'master' of https://github.com/wdli/algo
Added insertion sort
Partial commit of merge sort, not done yet
Test
Partial commit of merge sort, there is a bug that
it 's soring in desecending order not ascending.
Fixed the merge sort problem where
the final result is descending not ascending
Merge branch 'master' of https://github.com/wdli/algo

Conflicts:
	sorting.c
Initial commit of quick sort