Some examples of usage.

http://pastebin.com/vCjj8Ya6

• Key tree navigation (get a list of root nodes, move down from root to grand-grandchild);
• Node addition using a public and private derivation functions.

http://pastebin.com/zdBhmyHm

• Get a list of root nodes, create a new one using radom seed and validate it;
• Create 3 child nodes with private derivation function;
• Create  3 grandchild nodes using a public derivation.

http://pastebin.com/REf2pgTQ

Similar but using ultrasecure passphrase for root generation .

http://pastebin.com/Sy4qMwk0

Create new addresses and then get a child list for parent address.