* initialised node_api_check CLI
* add swagger data
* print all stats as dicts - first one needs a tweak
* gateways and mixnodes return all dictionaries
* finish basic functionality of returning all data as dicts - need moe functions
* add --no_routing_history and --markdown options
* add error message
* initialise version count command
* version count work - missing error checks
* separate swagger query - need tweak for old mixnodes
* implement output function
* finished - ready for review
* simplify swagger request
* simplify error log
* address review - ping swagger/error solved
* finished version for review
* finished and cleaned - ready for review