starting doubly linked lists
adding a delete function
updating the main for more deletes
Merge pull request #7 from obihann/linkedlists

Linkedlists
Merge branch 'develop' of github.com:obihann/GoDataStructures into doublylinkedlist

* 'develop' of github.com:obihann/GoDataStructures:
  updating the main for more deletes
  adding a delete function
creating a doubly linked list
Merge pull request #8 from obihann/doublylinkedlist

Doublylinkedlist
adding basic error handling
Merge pull request #9 from obihann/errorHandling

adding basic error handling
Merge pull request #10 from obihann/develop

Adding doubly linked lists