added post-order traversals. this closes #11
Merge pull request #32 from drincruz/feature/post_order_traversal

added post-order traversals. this closes #11
oops gotta doublecheck my work! --or do my unit tests quicker! ;)
Merge pull request #34 from drincruz/feature/post_order_traversal

oops gotta doublecheck my work! --or do my unit tests quicker! ;)
Merge branch 'develop' into feature/docs/post_order_examples
added examples for post-order traversal
this closes #31
Merge pull request #35 from drincruz/feature/docs/post_order_examples

Feature/docs/post order examples
added unit test for post_order_list
added unit tests for post_order_nodes()
Merge pull request #37 from drincruz/feature/unit_tests/post_order_traversals

Feature/unit tests/post order traversals
added level-order traversals
this closes #38
Merge pull request #41 from drincruz/feature/level_order_traversals

added level-order traversals
added unit tests for level_order_nodes(), level_order_list()

This fixes #39
Merge pull request #42 from drincruz/feature/unit_tests/level_order_traversals

added unit tests for level_order_nodes(), level_order_list()
Merge branch 'develop' into feature/pre_order_traversals
added pre_order_nodes(), pre_order_list()

this closes #10
Merge pull request #43 from drincruz/feature/pre_order_traversals

Feature/pre order traversals
added unit tests for pre_order_nodes() and pre_order_list()

this fixes #44
Merge pull request #46 from drincruz/feature/unit_tests/pre_order_traversals

added unit tests for pre_order_nodes() and pre_order_list()
added level-order traversal examples in documentation

this closes #40.