modified method
added test for delete method
merge conflicts
test for delete method
updated test for delete method
updated test for delete method
removed visited attribute
delete_node added
renamed delete in test
aaaMerge branch 'bst' of https://github.com/corinnelhh/data-structures into bst
PEP 8
PEP 8
updating for test
tweaked method according to test results
added additional delete test
merge conflicts
Merge pull request #21 from corinnelhh/bst

Bst