Added test to function get_node_from_path()
Added test to function get_node_from_wd()
style fix
Added test to function: get_link_data_from_wd_data()
order of the functions fixed
Added test to function: get_link_data_from_path()
Some style fix
Merge pull request #17 from 0xNaN/joe

get_node_from_wd() and get_node_from_path() now tested