Add node to readme, fix up operations
Add the concept of a node
Add initial version of a routing table
Update Key to be more restrictive for now, and add tests around new functionality
Add some nicer testing directives
Add hexstring encoder/decoder and tests
Add node tests
Add routing table support
Added tests for initial routing table
Add ability to have test deps
Add nodes API
Update makefile for test deps and udpate routing table tests
Update readme to reflect routing table is done.  Although it's not completley tested
Merge branch 'feature-routing-table'