[TESTING] Update rspec tests
[TESTING] Pin rspec to 2.14.x as its not working with rspec3 yet
Make config optional in main class
[TESTING] modify some spec tests
Fix the automatic node name part

Because i only asumed a single notation way while there are 2 it failed in some cases
[TESTING] Update spec tests a bit more
[TESTING] Add rspec randomization to travis